21038380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95629}}^1$

素因数の和:95649

約数の個数: 24

約数和(自身を含む): 48197520

約数和(自身を除く): 27159140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95629, 191258, 382516, 478145, 956290, 1051919, 1912580, 2103838, 4207676, 5259595, 10519190, 21038380]

約数ペア:

[(1, 21038380), (2, 10519190), (4, 5259595), (5, 4207676), (10, 2103838), (11, 1912580), (20, 1051919), (22, 956290), (44, 478145), (55, 382516), (110, 191258), (220, 95629)]