16921785

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15889}}^1$

素因数の和:15968

約数の個数: 16

約数和(自身を含む): 27457920

約数和(自身を除く): 10536135

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 15889, 47667, 79445, 238335, 1128119, 3384357, 5640595, 16921785]

約数ペア:

[(1, 16921785), (3, 5640595), (5, 3384357), (15, 1128119), (71, 238335), (213, 79445), (355, 47667), (1065, 15889)]