Q: What is the sum of all factors of the number 8,211 excluding 8,211?
A: 5,613
The factors of the number 8,211 are: 1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2737, 8211.
If you add them up, you will get the total of 8,216. Now subtract 8,211 to get 5,613