21835830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16927}}^1$

素因数の和:16980

約数の個数: 32

約数和(自身を含む): 53627904

約数和(自身を除く): 31792074

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16927, 33854, 50781, 84635, 101562, 169270, 253905, 507810, 727861, 1455722, 2183583, 3639305, 4367166, 7278610, 10917915, 21835830]

約数ペア:

[(1, 21835830), (2, 10917915), (3, 7278610), (5, 4367166), (6, 3639305), (10, 2183583), (15, 1455722), (30, 727861), (43, 507810), (86, 253905), (129, 169270), (215, 101562), (258, 84635), (430, 50781), (645, 33854), (1290, 16927)]