Q: What is the sum of all factors of the number 21,143,205 excluding 21,143,205?
A: 15,505,095
The factors of the number 21,143,205 are: 1, 3, 5, 9, 15, 45, 469849, 1409547, 2349245, 4228641, 7047735, 21143205.
If you add them up, you will get the total of 21,143,220. Now subtract 21,143,205 to get 15,505,095