Q: What is the sum of all factors of the number 21,311,421 excluding 21,311,421?
A: 9,074,883
The factors of the number 21,311,421 are: 1, 3, 17, 51, 103, 309, 1751, 4057, 5253, 12171, 68969, 206907, 417871, 1253613, 7103807, 21311421.
If you add them up, you will get the total of 21,311,430. Now subtract 21,311,421 to get 9,074,883