21433292

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{14843}}^1$

素因数の和:14885

約数の個数: 18

約数和(自身を含む): 39588948

約数和(自身を除く): 18155656

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 14843, 29686, 59372, 282017, 564034, 1128068, 5358323, 10716646, 21433292]

約数ペア:

[(1, 21433292), (2, 10716646), (4, 5358323), (19, 1128068), (38, 564034), (76, 282017), (361, 59372), (722, 29686), (1444, 14843)]