Q: What is the sum of all factors of the number 1,221,021 excluding 1,221,021?
A: 633,699
The factors of the number 1,221,021 are: 1, 3, 9, 27, 41, 123, 369, 1103, 1107, 3309, 9927, 29781, 45223, 135669, 407007, 1221021.
If you add them up, you will get the total of 1,221,654. Now subtract 1,221,021 to get 633,699