21093787

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8677}}^1$

素因数の和:8718

約数の個数: 16

約数和(自身を含む): 26242272

約数和(自身を除く): 5148485

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 8677, 95447, 112801, 147509, 1240811, 1622599, 1917617, 21093787]

約数ペア:

[(1, 21093787), (11, 1917617), (13, 1622599), (17, 1240811), (143, 147509), (187, 112801), (221, 95447), (2431, 8677)]