21000434709

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{890717}}^1$

素因数の和:891020

約数の個数: 16

約数和(自身を含む): 29073035520

約数和(自身を除く): 8072600811

約数列:

[1, 3, 29, 87, 271, 813, 7859, 23577, 890717, 2672151, 25830793, 77492379, 241384307, 724152921, 7000144903, 21000434709]

約数ペア:

[(1, 21000434709), (3, 7000144903), (29, 724152921), (87, 241384307), (271, 77492379), (813, 25830793), (7859, 2672151), (23577, 890717)]