We look at the division of 21478836 by 573 
We're looking to find how many times 573 goes into 21478836.

Moving on to step 1:
The number 573 fits into 2 0 times, leaving a remainder of 2.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtracting 0 from 2 leaves us with 2.
Take the next digit (1) from the dividend and append it to 2, then repeat: 21 / 573

Moving on to step 2:
573 can be fit into 21 0 times, resulting in a remainder of 21.
The next digit of our result is 0. 
Result so far: 0.0
If we subtract 0 from 21, we get 21.
Bring next digit (4) of the dividend behind the 21 and repeat the process: 214 / 573

Let's proceed to step 3:
The number 573 fits into 214 0 times, leaving a remainder of 214.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
The remainder is 214 after subtracting 0 from 214.
Grab the next digit (7) from the dividend, add it to 214, then carry on: 2147 / 573

Moving on to step 4:
If we divide 2147 by 573, we get 3 and a remainder of 428.
Write down 3 as next digit of the result. 
Result so far: 3.0
Deduct 1719 from 2147 and we're left with 428.
Grab the next digit (8) from the dividend, add it to 428, then carry on: 4288 / 573

On to step 5:
573 goes into 4288 7 times with a remainder of 277.
Put 7 as the next digit of the answer. 
Result so far: 37.0
If we subtract 4011 from 4288, we get 277.
Append the next digit (8) from the dividend to 277 and continue with: 2778 / 573

Let's proceed to step 6:
If we divide 2778 by 573, we get 4 and a remainder of 486.
Record the quotient 4 as the next digit in the result. 
Result so far: 374.0
Deduct 2292 from 2778 and we're left with 486.
Grab the next digit (3) from the dividend, add it to 486, then carry on: 4863 / 573

Advancing to step 7:
The number 573 fits into 4863 8 times, leaving a remainder of 279.
Put 8 as the next digit of the answer. 
Result so far: 3748.0
Subtract 4584 from 4863 to get 279.
Append the next digit (6) from the dividend to 279 and continue with: 2796 / 573

Going ahead to step 8:
When dividing 2796 by 573, we get 4 with a remainder of 504.
Write down 4 as next digit of the result. 
Result so far: 37484.0
The remainder is 504 after subtracting 2292 from 2796.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5040, and continue the process.

On to step 9:
If we divide 5040 by 573, we get 8 and a remainder of 456.
Record the quotient 8 as the next digit in the result. 
Result so far: 37484.8
The remainder is 456 after subtracting 4584 from 5040.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4560, and continue the process.

Advancing to step 10:
When dividing 4560 by 573, we get 7 with a remainder of 549.
The number 7 becomes the next digit in our result. 
Result so far: 37484.87
If we subtract 4011 from 4560, we get 549.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5490, and continue the process.

Let's proceed to step 11:
5490 divided by 573 is 9 with a remainder of 333.
Write down 9 as next digit of the result. 
Result so far: 37484.879
If we subtract 5157 from 5490, we get 333.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3330, and continue the process.

On to step 12:
When dividing 3330 by 573, we get 5 with a remainder of 465.
The next digit of our result is 5. 
Result so far: 37484.8795
Subtracting 2865 from 3330 leaves us with 465.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4650, and continue the process.

Moving on to step 13:
573 can be fit into 4650 8 times, resulting in a remainder of 66.
Use 8 as the next digit of our solution. 
Result so far: 37484.87958
If we subtract 4584 from 4650, we get 66.
Since there are no more digits in the dividend, we add a zero to the remainder making it 660, and continue the process.

Let's proceed to step 14:
The number 573 fits into 660 1 times, leaving a remainder of 87.
Record the quotient 1 as the next digit in the result. 
Result so far: 37484.879581
If we take 573 away from 660, we end up with 87.
Since there are no more digits in the dividend, we add a zero to the remainder making it 870, and continue the process.

Advancing to step 15:
If we divide 870 by 573, we get 1 and a remainder of 297.
The number 1 becomes the next digit in our result. 
Result so far: 37484.8795811
If we subtract 573 from 870, we get 297.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2970, and continue the process.

The final result is 37484.8795811 with a remainder of 2.97e-06.