21373611

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{9007}}^1$

素因数の和:9130

約数の個数: 16

約数和(自身を含む): 32861184

約数和(自身を除く): 11487573

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 9007, 27021, 63049, 189147, 1017791, 3053373, 7124537, 21373611]

約数ペア:

[(1, 21373611), (3, 7124537), (7, 3053373), (21, 1017791), (113, 189147), (339, 63049), (791, 27021), (2373, 9007)]