21216782

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{2749}}^1$

素因数の和:2995

約数の個数: 16

約数和(自身を含む): 33858000

約数和(自身を除く): 12641218

約数列:

[1, 2, 17, 34, 227, 454, 2749, 3859, 5498, 7718, 46733, 93466, 624023, 1248046, 10608391, 21216782]

約数ペア:

[(1, 21216782), (2, 10608391), (17, 1248046), (34, 624023), (227, 93466), (454, 46733), (2749, 7718), (3859, 5498)]