21175710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41521}}^1$

素因数の和:41548

約数の個数: 32

約数和(自身を含む): 53812512

約数和(自身を除く): 32636802

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41521, 83042, 124563, 207605, 249126, 415210, 622815, 705857, 1245630, 1411714, 2117571, 3529285, 4235142, 7058570, 10587855, 21175710]

約数ペア:

[(1, 21175710), (2, 10587855), (3, 7058570), (5, 4235142), (6, 3529285), (10, 2117571), (15, 1411714), (17, 1245630), (30, 705857), (34, 622815), (51, 415210), (85, 249126), (102, 207605), (170, 124563), (255, 83042), (510, 41521)]