21200043

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{2719}}^1$

素因数の和:2858

約数の個数: 16

約数和(自身を含む): 29767680

約数和(自身を除く): 8567637

約数列:

[1, 3, 23, 69, 113, 339, 2599, 2719, 7797, 8157, 62537, 187611, 307247, 921741, 7066681, 21200043]

約数ペア:

[(1, 21200043), (3, 7066681), (23, 921741), (69, 307247), (113, 187611), (339, 62537), (2599, 8157), (2719, 7797)]