21758043

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{1117}}^1$

素因数の和:1314

約数の個数: 16

約数和(自身を含む): 29908736

約数和(自身を除く): 8150693

約数列:

[1, 3, 43, 129, 151, 453, 1117, 3351, 6493, 19479, 48031, 144093, 168667, 506001, 7252681, 21758043]

約数ペア:

[(1, 21758043), (3, 7252681), (43, 506001), (129, 168667), (151, 144093), (453, 48031), (1117, 19479), (3351, 6493)]