21315810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{710527}}^1$

素因数の和:710537

約数の個数: 16

約数和(自身を含む): 51158016

約数和(自身を除く): 29842206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 710527, 1421054, 2131581, 3552635, 4263162, 7105270, 10657905, 21315810]

約数ペア:

[(1, 21315810), (2, 10657905), (3, 7105270), (5, 4263162), (6, 3552635), (10, 2131581), (15, 1421054), (30, 710527)]