Question

los divisores de 21,45,28,36,72

Answer 1

21 = {3, 7, 21}(3 divisores) 

45 = {3, 5, 9, 15, 45}(5 divisores) 

28 = {2, 4, 7, 14, 28}(5 divisores) 

36 = {2, 3, 4, 6, 9, 12, 18, 36}(8 divisores) 

72 = {2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72}(11 divisores) 

Answer 2

del 21 son 3 7 y 21
del 28 son 2 4 7 14 y 28
del 36 son 2 3 4 6 9 12 18 y 36
del 45 son 3, 5, 9, 15,y  45
del 72 son 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72