574751 divided by 21 
Our goal is to divide 574751 by 21.

Going ahead to step 1:
When dividing 5 by 21, we get 0 with a remainder of 5.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Grab the next digit (7) from the dividend, add it to 5, then carry on: 57 / 21

Moving on to step 2:
21 goes into 57 2 times with a remainder of 15.
Put 2 as the next digit of the answer. 
Result so far: 2.0
Subtracting 42 from 57 leaves us with 15.
Include the next digit (4) from the dividend after 15, then repeat: 154 / 21

Advancing to step 3:
21 goes into 154 7 times with a remainder of 7.
Put 7 as the next digit of the answer. 
Result so far: 27.0
The remainder is 7 after subtracting 147 from 154.
Bring next digit (7) of the dividend behind the 7 and repeat the process: 77 / 21

Moving on to step 4:
The number 21 fits into 77 3 times, leaving a remainder of 14.
The number 3 becomes the next digit in our result. 
Result so far: 273.0
Subtract 63 from 77 to get 14.
Include the next digit (5) from the dividend after 14, then repeat: 145 / 21

On to step 5:
If we divide 145 by 21, we get 6 and a remainder of 19.
Put 6 as the next digit of the answer. 
Result so far: 2736.0
Deduct 126 from 145 and we're left with 19.
Append the next digit (1) from the dividend to 19 and continue with: 191 / 21

Moving on to step 6:
21 can be fit into 191 9 times, resulting in a remainder of 2.
Write down 9 as next digit of the result. 
Result so far: 27369.0
If we take 189 away from 191, we end up with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Moving on to step 7:
The number 21 fits into 20 0 times, leaving a remainder of 20.
Put 0 as the next digit of the answer. 
Result so far: 27369.0
Deduct 0 from 20 and we're left with 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Going ahead to step 8:
200 divided by 21 is 9 with a remainder of 11.
Record the quotient 9 as the next digit in the result. 
Result so far: 27369.09
Subtracting 189 from 200 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Step 9:
If we divide 110 by 21, we get 5 and a remainder of 5.
Write down 5 as next digit of the result. 
Result so far: 27369.095
If we subtract 105 from 110, we get 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Moving on to step 10:
When dividing 50 by 21, we get 2 with a remainder of 8.
Put 2 as the next digit of the answer. 
Result so far: 27369.0952
If we subtract 42 from 50, we get 8.
Since there are no more digits in the dividend, we add a zero to the remainder making it 80, and continue the process.

Moving on to step 11:
The number 21 fits into 80 3 times, leaving a remainder of 17.
Write down 3 as next digit of the result. 
Result so far: 27369.09523
If we take 63 away from 80, we end up with 17.
Since there are no more digits in the dividend, we add a zero to the remainder making it 170, and continue the process.

On to step 12:
21 can be fit into 170 8 times, resulting in a remainder of 2.
The next digit of our result is 8. 
Result so far: 27369.095238
If we subtract 168 from 170, we get 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Let's proceed to step 13:
If we divide 20 by 21, we get 0 and a remainder of 20.
The number 0 becomes the next digit in our result. 
Result so far: 27369.095238
Subtract 0 from 20 to get 20.
Since there are no more digits in the dividend, we add a zero to the remainder making it 200, and continue the process.

Let's proceed to step 14:
If we divide 200 by 21, we get 9 and a remainder of 11.
The next digit of our result is 9. 
Result so far: 27369.09523809
Subtracting 189 from 200 leaves us with 11.
Since there are no more digits in the dividend, we add a zero to the remainder making it 110, and continue the process.

Our division results in 27369.09523809 with a remaining 1.1e-08.