21117996

素因数分解:

$2^2\times 3^4\times {\mathrm{65179}}^1$

素因数の和:65195

約数の個数: 30

約数和(自身を含む): 55207460

約数和(自身を除く): 34089464

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65179, 130358, 195537, 260716, 391074, 586611, 782148, 1173222, 1759833, 2346444, 3519666, 5279499, 7039332, 10558998, 21117996]

約数ペア:

[(1, 21117996), (2, 10558998), (3, 7039332), (4, 5279499), (6, 3519666), (9, 2346444), (12, 1759833), (18, 1173222), (27, 782148), (36, 586611), (54, 391074), (81, 260716), (108, 195537), (162, 130358), (324, 65179)]