21265634

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19949}}^1$

素因数の和:20005

約数の個数: 16

約数和(自身を含む): 35191800

約数和(自身を除く): 13926166

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 19949, 39898, 259337, 518674, 817909, 1635818, 10632817, 21265634]

約数ペア:

[(1, 21265634), (2, 10632817), (13, 1635818), (26, 817909), (41, 518674), (82, 259337), (533, 39898), (1066, 19949)]