21227820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{353797}}^1$

素因数の和:353809

約数の個数: 24

約数和(自身を含む): 59438064

約数和(自身を除く): 38210244

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 353797, 707594, 1061391, 1415188, 1768985, 2122782, 3537970, 4245564, 5306955, 7075940, 10613910, 21227820]

約数ペア:

[(1, 21227820), (2, 10613910), (3, 7075940), (4, 5306955), (5, 4245564), (6, 3537970), (10, 2122782), (12, 1768985), (15, 1415188), (20, 1061391), (30, 707594), (60, 353797)]