21363891

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 29145600

約数和(自身を除く): 7781709

約数列:

[1, 3, 79, 109, 237, 327, 827, 2481, 8611, 25833, 65333, 90143, 195999, 270429, 7121297, 21363891]

約数ペア:

[(1, 21363891), (3, 7121297), (79, 270429), (109, 195999), (237, 90143), (327, 65333), (827, 25833), (2481, 8611)]