21718396

素因数分解:

$2^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{3329}}^1$

素因数の和:3573

約数の個数: 24

約数和(自身を含む): 43636320

約数和(自身を除く): 21917924

約数列:

[1, 2, 4, 7, 14, 28, 233, 466, 932, 1631, 3262, 3329, 6524, 6658, 13316, 23303, 46606, 93212, 775657, 1551314, 3102628, 5429599, 10859198, 21718396]

約数ペア:

[(1, 21718396), (2, 10859198), (4, 5429599), (7, 3102628), (14, 1551314), (28, 775657), (233, 93212), (466, 46606), (932, 23303), (1631, 13316), (3262, 6658), (3329, 6524)]