21117042

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27283}}^1$

素因数の和:27334

約数の個数: 24

約数和(自身を含む): 46819344

約数和(自身を除く): 25702302

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27283, 54566, 81849, 163698, 245547, 491094, 1173169, 2346338, 3519507, 7039014, 10558521, 21117042]

約数ペア:

[(1, 21117042), (2, 10558521), (3, 7039014), (6, 3519507), (9, 2346338), (18, 1173169), (43, 491094), (86, 245547), (129, 163698), (258, 81849), (387, 54566), (774, 27283)]