21254726

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{2683}}^1$

素因数の和:2935

約数の個数: 16

約数和(自身を含む): 33915024

約数和(自身を除く): 12660298

約数列:

[1, 2, 17, 34, 233, 466, 2683, 3961, 5366, 7922, 45611, 91222, 625139, 1250278, 10627363, 21254726]

約数ペア:

[(1, 21254726), (2, 10627363), (17, 1250278), (34, 625139), (233, 91222), (466, 45611), (2683, 7922), (3961, 5366)]