Q: What is the sum of all factors of the number 21,003,087 excluding 21,003,087?
A: 11,867,825
The factors of the number 21,003,087 are: 1, 3, 7, 21, 37, 111, 259, 777, 27031, 81093, 189217, 567651, 1000147, 3000441, 7001029, 21003087.
If you add them up, you will get the total of 21,003,098. Now subtract 21,003,087 to get 11,867,825