21288183

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{8971}}^1$

素因数の和:9094

約数の個数: 16

約数和(自身を含む): 32729856

約数和(自身を除く): 11441673

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 8971, 26913, 62797, 188391, 1013723, 3041169, 7096061, 21288183]

約数ペア:

[(1, 21288183), (3, 7096061), (7, 3041169), (21, 1013723), (113, 188391), (339, 62797), (791, 26913), (2373, 8971)]