Q: What is the sum of all factors of the number 13,981 excluding 13,981?
A: 2,147
The factors of the number 13,981 are: 1, 11, 31, 41, 341, 451, 1271, 13981.
If you add them up, you will get the total of 13,983. Now subtract 13,981 to get 2,147