Q: What is the sum of all factors of the number 21,502 excluding 21,502?
A: 13,274
The factors of the number 21,502 are: 1, 2, 13, 26, 827, 1654, 10751, 21502.
If you add them up, you will get the total of 21,515. Now subtract 21,502 to get 13,274