Q: What is the sum of all factors of the number 21,153 excluding 21,153?
A: 9,663
The factors of the number 21,153 are: 1, 3, 11, 33, 641, 1923, 7051, 21153.
If you add them up, you will get the total of 21,162. Now subtract 21,153 to get 9,663