Question

Quien me dicen los divisores de 15 42 y 70

Answer 1

42 = {2, 3, 6, 7, 14, 21, 42}(7 divisores) 
15 = {3, 5, 15}(3 divisores) 

70 = {2, 5, 7, 10, 14, 35, 70}(7 divisores)