Q: What is the sum of all factors of the number 21,720,173 excluding 21,720,173?
A: 1,143,187
The factors of the number 21,720,173 are: 1, 19, 1143167, 21720173.
If you add them up, you will get the total of 21,720,174. Now subtract 21,720,173 to get 1,143,187