21892715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9103}}^1$

素因数の和:9158

約数の個数: 16

約数和(自身を含む): 29059968

約数和(自身を除く): 7167253

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 9103, 45515, 118339, 336811, 591695, 1684055, 4378543, 21892715]

約数ペア:

[(1, 21892715), (5, 4378543), (13, 1684055), (37, 591695), (65, 336811), (185, 118339), (481, 45515), (2405, 9103)]