21956857

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 24696000

約数和(自身を除く): 2739143

約数列:

[1, 13, 29, 139, 377, 419, 1807, 4031, 5447, 12151, 52403, 58241, 157963, 757133, 1688989, 21956857]

約数ペア:

[(1, 21956857), (13, 1688989), (29, 757133), (139, 157963), (377, 58241), (419, 52403), (1807, 12151), (4031, 5447)]