21134853

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 31366296

約数和(自身を除く): 10231443

約数列:

[1, 3, 9, 61, 137, 183, 281, 411, 549, 843, 1233, 2529, 8357, 17141, 25071, 38497, 51423, 75213, 115491, 154269, 346473, 2348317, 7044951, 21134853]

約数ペア:

[(1, 21134853), (3, 7044951), (9, 2348317), (61, 346473), (137, 154269), (183, 115491), (281, 75213), (411, 51423), (549, 38497), (843, 25071), (1233, 17141), (2529, 8357)]