21519186

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1049}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25050414

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 263, 526, 789, 1049, 1578, 2098, 3147, 3419, 6294, 6838, 10257, 13637, 20514, 27274, 40911, 81822, 275887, 551774, 827661, 1655322, 3586531, 7173062, 10759593, 21519186]

約数ペア:

[(1, 21519186), (2, 10759593), (3, 7173062), (6, 3586531), (13, 1655322), (26, 827661), (39, 551774), (78, 275887), (263, 81822), (526, 40911), (789, 27274), (1049, 20514), (1578, 13637), (2098, 10257), (3147, 6838), (3419, 6294)]