Q: What is the sum of all factors of the number 21,917 excluding 21,917?
A: 4,195
The factors of the number 21,917 are: 1, 7, 31, 101, 217, 707, 3131, 21917.
If you add them up, you will get the total of 21,921. Now subtract 21,917 to get 4,195