21896017

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9007}}^1$

素因数の和:9048

約数の個数: 16

約数和(自身を含む): 27240192

約数和(自身を除く): 5344175

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 9007, 99077, 117091, 153119, 1288001, 1684309, 1990547, 21896017]

約数ペア:

[(1, 21896017), (11, 1990547), (13, 1684309), (17, 1288001), (143, 153119), (187, 117091), (221, 99077), (2431, 9007)]