21321654

素因数分解:

$2^1\times 3^1\times {\mathrm{1063}}^1\times {\mathrm{3343}}^1$

素因数の和:4411

約数の個数: 16

約数和(自身を含む): 42696192

約数和(自身を除く): 21374538

約数列:

[1, 2, 3, 6, 1063, 2126, 3189, 3343, 6378, 6686, 10029, 20058, 3553609, 7107218, 10660827, 21321654]

約数ペア:

[(1, 21321654), (2, 10660827), (3, 7107218), (6, 3553609), (1063, 20058), (2126, 10029), (3189, 6686), (3343, 6378)]