Q: What is the sum of all factors of the number 21,040,021 excluding 21,040,021?
A: 13,323
The factors of the number 21,040,021 are: 1, 1831, 11491, 21040021.
If you add them up, you will get the total of 21,040,034. Now subtract 21,040,021 to get 13,323