Q: What is the sum of all factors of the number 21,372,123 excluding 21,372,123?
A: 7,124,045
The factors of the number 21,372,123 are: 1, 3, 7124041, 21372123.
If you add them up, you will get the total of 21,372,130. Now subtract 21,372,123 to get 7,124,045