21868197

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{8369}}^1$

素因数の和:8452

約数の個数: 16

約数和(自身を含む): 31872960

約数和(自身を除く): 10004763

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 8369, 25107, 108797, 326391, 560723, 1682169, 7289399, 21868197]

約数ペア:

[(1, 21868197), (3, 7289399), (13, 1682169), (39, 560723), (67, 326391), (201, 108797), (871, 25107), (2613, 8369)]