21891683

素因数分解:

${\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{757}}^1$

素因数の和:1018

約数の個数: 12

約数和(自身を含む): 24195360

約数和(自身を除く): 2303677

約数列:

[1, 11, 121, 239, 757, 2629, 8327, 28919, 91597, 180923, 1990153, 21891683]

約数ペア:

[(1, 21891683), (11, 1990153), (121, 180923), (239, 91597), (757, 28919), (2629, 8327)]