21695219

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8221}}^1$

素因数の和:8270

約数の個数: 16

約数和(自身を含む): 27625920

約数和(自身を除く): 5930701

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 8221, 57547, 106873, 238409, 748111, 1668863, 3099317, 21695219]

約数ペア:

[(1, 21695219), (7, 3099317), (13, 1668863), (29, 748111), (91, 238409), (203, 106873), (377, 57547), (2639, 8221)]