21253723

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2269}}^1$

素因数の和:2334

約数の個数: 16

約数和(自身を含む): 24516000

約数和(自身を除く): 3262277

約数列:

[1, 17, 19, 29, 323, 493, 551, 2269, 9367, 38573, 43111, 65801, 732887, 1118617, 1250219, 21253723]

約数ペア:

[(1, 21253723), (17, 1250219), (19, 1118617), (29, 732887), (323, 65801), (493, 43111), (551, 38573), (2269, 9367)]