21853007

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 25456032

約数和(自身を除く): 3603025

約数列:

[1, 11, 17, 137, 187, 853, 1507, 2329, 9383, 14501, 25619, 116861, 159511, 1285471, 1986637, 21853007]

約数ペア:

[(1, 21853007), (11, 1986637), (17, 1285471), (137, 159511), (187, 116861), (853, 25619), (1507, 14501), (2329, 9383)]