21902283

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1429}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 34354320

約数和(自身を除く): 12452037

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1429, 1703, 4287, 5109, 12861, 15327, 18577, 55731, 167193, 187199, 561597, 1684791, 2433587, 7300761, 21902283]

約数ペア:

[(1, 21902283), (3, 7300761), (9, 2433587), (13, 1684791), (39, 561597), (117, 187199), (131, 167193), (393, 55731), (1179, 18577), (1429, 15327), (1703, 12861), (4287, 5109)]