6 and 4
6, 3 and 1
4, 3, 2 and 1
10 and 2
2 and 10. 2*10=20 2+10=12
The sum of all the positive factors of 12 is 28.
12
12=10
Lots of possibilities: 50 and 10 40 and 20 48 and 12
12.
28
12 and 3 10 and 5 16 and -1 20 and -5
The factors of -84 that equal the sum of -16 are: -28 and 12 -14 and -2 -12 and -4
The factors are 1 & 11 !
1 + 2 + 4 = 7