21405186

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{108107}}^1$

素因数の和:108126

約数の個数: 24

約数和(自身を含む): 50594544

約数和(自身を除く): 29189358

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 108107, 216214, 324321, 648642, 972963, 1189177, 1945926, 2378354, 3567531, 7135062, 10702593, 21405186]

約数ペア:

[(1, 21405186), (2, 10702593), (3, 7135062), (6, 3567531), (9, 2378354), (11, 1945926), (18, 1189177), (22, 972963), (33, 648642), (66, 324321), (99, 216214), (198, 108107)]