21858617

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2851}}^1$

素因数の和:2920

約数の個数: 16

約数和(自身を含む): 25873344

約数和(自身を除く): 4014727

約数列:

[1, 11, 17, 41, 187, 451, 697, 2851, 7667, 31361, 48467, 116891, 533137, 1285801, 1987147, 21858617]

約数ペア:

[(1, 21858617), (11, 1987147), (17, 1285801), (41, 533137), (187, 116891), (451, 48467), (697, 31361), (2851, 7667)]