21815145

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44071}}^1$

素因数の和:44093

約数の個数: 24

約数和(自身を含む): 41251392

約数和(自身を除く): 19436247

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 44071, 132213, 220355, 396639, 484781, 661065, 1454343, 1983195, 2423905, 4363029, 7271715, 21815145]

約数ペア:

[(1, 21815145), (3, 7271715), (5, 4363029), (9, 2423905), (11, 1983195), (15, 1454343), (33, 661065), (45, 484781), (55, 396639), (99, 220355), (165, 132213), (495, 44071)]