21309810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{710327}}^1$

素因数の和:710337

約数の個数: 16

約数和(自身を含む): 51143616

約数和(自身を除く): 29833806

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 710327, 1420654, 2130981, 3551635, 4261962, 7103270, 10654905, 21309810]

約数ペア:

[(1, 21309810), (2, 10654905), (3, 7103270), (5, 4261962), (6, 3551635), (10, 2130981), (15, 1420654), (30, 710327)]