21162553

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:564

約数の個数: 16

約数和(自身を含む): 23187456

約数和(自身を除く): 2024903

約数列:

[1, 23, 31, 67, 443, 713, 1541, 2077, 10189, 13733, 29681, 47771, 315859, 682663, 920111, 21162553]

約数ペア:

[(1, 21162553), (23, 920111), (31, 682663), (67, 315859), (443, 47771), (713, 29681), (1541, 13733), (2077, 10189)]