Q: What is the sum of all factors of the number 21,351 excluding 21,351?
A: 9,753
The factors of the number 21,351 are: 1, 3, 11, 33, 647, 1941, 7117, 21351.
If you add them up, you will get the total of 21,360. Now subtract 21,351 to get 9,753