Q: What is the sum of all factors of the number 21,111,021 excluding 21,111,021?
A: 9,382,689
The factors of the number 21,111,021 are: 1, 3, 9, 2345669, 7037007, 21111021.
If you add them up, you will get the total of 21,111,030. Now subtract 21,111,021 to get 9,382,689