21742290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80527}}^1$

素因数の和:80543

約数の個数: 32

約数和(自身を含む): 57980160

約数和(自身を除く): 36237870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80527, 161054, 241581, 402635, 483162, 724743, 805270, 1207905, 1449486, 2174229, 2415810, 3623715, 4348458, 7247430, 10871145, 21742290]

約数ペア:

[(1, 21742290), (2, 10871145), (3, 7247430), (5, 4348458), (6, 3623715), (9, 2415810), (10, 2174229), (15, 1449486), (18, 1207905), (27, 805270), (30, 724743), (45, 483162), (54, 402635), (90, 241581), (135, 161054), (270, 80527)]