21147352

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{33461}}^1$

素因数の和:33546

約数の個数: 16

約数和(自身を含む): 40154400

約数和(自身を除く): 19007048

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 33461, 66922, 133844, 267688, 2643419, 5286838, 10573676, 21147352]

約数ペア:

[(1, 21147352), (2, 10573676), (4, 5286838), (8, 2643419), (79, 267688), (158, 133844), (316, 66922), (632, 33461)]