Q: What is the sum of all factors of the number 21,402,021 excluding 21,402,021?
A: 7,905,403
The factors of the number 21,402,021 are: 1, 3, 37, 111, 192811, 578433, 7134007, 21402021.
If you add them up, you will get the total of 21,402,028. Now subtract 21,402,021 to get 7,905,403