21794903

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 24338496

約数和(自身を除く): 2543593

約数列:

[1, 13, 41, 103, 397, 533, 1339, 4223, 5161, 16277, 40891, 54899, 211601, 531583, 1676531, 21794903]

約数ペア:

[(1, 21794903), (13, 1676531), (41, 531583), (103, 211601), (397, 54899), (533, 40891), (1339, 16277), (4223, 5161)]