21182359

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2357}}^1$

素因数の和:2430

約数の個数: 16

約数和(自身を含む): 24900480

約数和(自身を除く): 3718121

約数列:

[1, 11, 19, 43, 209, 473, 817, 2357, 8987, 25927, 44783, 101351, 492613, 1114861, 1925669, 21182359]

約数ペア:

[(1, 21182359), (11, 1925669), (19, 1114861), (43, 492613), (209, 101351), (473, 44783), (817, 25927), (2357, 8987)]