21794510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128203}}^1$

素因数の和:128227

約数の個数: 16

約数和(自身を含む): 41538096

約数和(自身を除く): 19743586

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 128203, 256406, 641015, 1282030, 2179451, 4358902, 10897255, 21794510]

約数ペア:

[(1, 21794510), (2, 10897255), (5, 4358902), (10, 2179451), (17, 1282030), (34, 641015), (85, 256406), (170, 128203)]