Q: What is the sum of all factors of the number 21,310 excluding 21,310?
A: 17,066
The factors of the number 21,310 are: 1, 2, 5, 10, 2131, 4262, 10655, 21310.
If you add them up, you will get the total of 21,327. Now subtract 21,310 to get 17,066