21679565557

素因数分解:

${\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1245451}}^1$

素因数の和:1245580

約数の個数: 12

約数和(自身を含む): 23703442464

約数和(自身を除く): 2023876907

約数列:

[1, 13, 103, 169, 1339, 17407, 1245451, 16190863, 128281453, 210481219, 1667658889, 21679565557]

約数ペア:

[(1, 21679565557), (13, 1667658889), (103, 210481219), (169, 128281453), (1339, 16190863), (17407, 1245451)]