Q: What is the sum of all factors of the number 2,172 excluding 2,172?
A: 2,924
The factors of the number 2,172 are: 1, 2, 3, 4, 6, 12, 181, 362, 543, 724, 1086, 2172.
If you add them up, you will get the total of 2,174. Now subtract 2,172 to get 2,924