21793389

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{701}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 29899584

約数和(自身を除く): 8106195

約数列:

[1, 3, 43, 129, 241, 701, 723, 2103, 10363, 30143, 31089, 90429, 168941, 506823, 7264463, 21793389]

約数ペア:

[(1, 21793389), (3, 7264463), (43, 506823), (129, 168941), (241, 90429), (701, 31089), (723, 30143), (2103, 10363)]