Q: What is the sum of all factors of the number 21,002,221 excluding 21,002,221?
A: 763,667
The factors of the number 21,002,221 are: 1, 31, 281, 2411, 8711, 74741, 677491, 21002221.
If you add them up, you will get the total of 21,002,984. Now subtract 21,002,221 to get 763,667