21965529

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{709}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 30672000

約数和(自身を除く): 8706471

約数列:

[1, 3, 23, 69, 449, 709, 1347, 2127, 10327, 16307, 30981, 48921, 318341, 955023, 7321843, 21965529]

約数ペア:

[(1, 21965529), (3, 7321843), (23, 955023), (69, 318341), (449, 48921), (709, 30981), (1347, 16307), (2127, 10327)]