Q: What is the sum of all factors of the number 221,621,407 excluding 221,621,407?
A: 31,660,209
The factors of the number 221,621,407 are: 1, 7, 31660201, 221621407.
If you add them up, you will get the total of 221,621,438. Now subtract 221,621,407 to get 31,660,209