21200559

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{733}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 29313024

約数和(自身を除く): 8112465

約数列:

[1, 3, 31, 93, 311, 733, 933, 2199, 9641, 22723, 28923, 68169, 227963, 683889, 7066853, 21200559]

約数ペア:

[(1, 21200559), (3, 7066853), (31, 683889), (93, 227963), (311, 68169), (733, 28923), (933, 22723), (2199, 9641)]