21113584

素因数分解:

$2^4\times {\mathrm{577}}^1\times {\mathrm{2287}}^1$

素因数の和:2872

約数の個数: 20

約数和(自身を含む): 40996384

約数和(自身を除く): 19882800

約数列:

[1, 2, 4, 8, 16, 577, 1154, 2287, 2308, 4574, 4616, 9148, 9232, 18296, 36592, 1319599, 2639198, 5278396, 10556792, 21113584]

約数ペア:

[(1, 21113584), (2, 10556792), (4, 5278396), (8, 2639198), (16, 1319599), (577, 36592), (1154, 18296), (2287, 9232), (2308, 9148), (4574, 4616)]