Let's divide 591708 by 21
Let's see how many times 21 fits into 591708.

Moving on to step 1:
5 divided by 21 is 0 with a remainder of 5.
Use 0 as the next digit of our solution. 
Result so far: 0.0
Deduct 0 from 5 and we're left with 5.
Include the next digit (9) from the dividend after 5, then repeat: 59 / 21

Advancing to step 2:
21 goes into 59 2 times with a remainder of 17.
The next digit of our result is 2. 
Result so far: 2.0
If we subtract 42 from 59, we get 17.
Fetch the next digit (1) from the dividend, attach it to 17 and continue: 171 / 21

On to step 3:
When dividing 171 by 21, we get 8 with a remainder of 3.
The next digit of our result is 8. 
Result so far: 28.0
Subtract 168 from 171 to get 3.
Append the next digit (7) from the dividend to 3 and continue with: 37 / 21

Let's proceed to step 4:
21 can be fit into 37 1 times, resulting in a remainder of 16.
Put 1 as the next digit of the answer. 
Result so far: 281.0
Subtracting 21 from 37 leaves us with 16.
Bring next digit (0) of the dividend behind the 16 and repeat the process: 160 / 21

Going ahead to step 5:
21 goes into 160 7 times with a remainder of 13.
Use 7 as the next digit of our solution. 
Result so far: 2817.0
If we subtract 147 from 160, we get 13.
Include the next digit (8) from the dividend after 13, then repeat: 138 / 21

Advancing to step 6:
The number 21 fits into 138 6 times, leaving a remainder of 12.
Put 6 as the next digit of the answer. 
Result so far: 28176.0
If we subtract 126 from 138, we get 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Let's proceed to step 7:
21 goes into 120 5 times with a remainder of 15.
The number 5 becomes the next digit in our result. 
Result so far: 28176.5
If we take 105 away from 120, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 8:
If we divide 150 by 21, we get 7 and a remainder of 3.
Record the quotient 7 as the next digit in the result. 
Result so far: 28176.57
Subtract 147 from 150 to get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Advancing to step 9:
If we divide 30 by 21, we get 1 and a remainder of 9.
The number 1 becomes the next digit in our result. 
Result so far: 28176.571
Deduct 21 from 30 and we're left with 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Going ahead to step 10:
21 can be fit into 90 4 times, resulting in a remainder of 6.
Record the quotient 4 as the next digit in the result. 
Result so far: 28176.5714
Subtract 84 from 90 to get 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Step 11:
If we divide 60 by 21, we get 2 and a remainder of 18.
Record the quotient 2 as the next digit in the result. 
Result so far: 28176.57142
Subtract 42 from 60 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Going ahead to step 12:
If we divide 180 by 21, we get 8 and a remainder of 12.
The next digit of our result is 8. 
Result so far: 28176.571428
If we take 168 away from 180, we end up with 12.
Since there are no more digits in the dividend, we add a zero to the remainder making it 120, and continue the process.

Advancing to step 13:
21 can be fit into 120 5 times, resulting in a remainder of 15.
Use 5 as the next digit of our solution. 
Result so far: 28176.5714285
If we take 105 away from 120, we end up with 15.
Since there are no more digits in the dividend, we add a zero to the remainder making it 150, and continue the process.

Moving on to step 14:
150 divided by 21 is 7 with a remainder of 3.
Write down 7 as next digit of the result. 
Result so far: 28176.57142857
If we take 147 away from 150, we end up with 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

The final result is 28176.57142857 with a remainder of 3e-09.