21123243

素因数分解:

$3^2\times {\mathrm{181}}^1\times {\mathrm{12967}}^1$

素因数の和:13154

約数の個数: 12

約数和(自身を含む): 30682288

約数和(自身を除く): 9559045

約数列:

[1, 3, 9, 181, 543, 1629, 12967, 38901, 116703, 2347027, 7041081, 21123243]

約数ペア:

[(1, 21123243), (3, 7041081), (9, 2347027), (181, 116703), (543, 38901), (1629, 12967)]