21049154

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{36671}}^1$

素因数の和:36721

約数の個数: 16

約数和(自身を含む): 36965376

約数和(自身を除く): 15916222

約数列:

[1, 2, 7, 14, 41, 82, 287, 574, 36671, 73342, 256697, 513394, 1503511, 3007022, 10524577, 21049154]

約数ペア:

[(1, 21049154), (2, 10524577), (7, 3007022), (14, 1503511), (41, 513394), (82, 256697), (287, 73342), (574, 36671)]