21297810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{709927}}^1$

素因数の和:709937

約数の個数: 16

約数和(自身を含む): 51114816

約数和(自身を除く): 29817006

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 709927, 1419854, 2129781, 3549635, 4259562, 7099270, 10648905, 21297810]

約数ペア:

[(1, 21297810), (2, 10648905), (3, 7099270), (5, 4259562), (6, 3549635), (10, 2129781), (15, 1419854), (30, 709927)]