Q: What is the sum of all factors of the number 12,210 excluding 12,210?
A: 20,622
The factors of the number 12,210 are: 1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 2035, 2442, 4070, 6105, 12210.
If you add them up, you will get the total of 12,230. Now subtract 12,210 to get 20,622