21467180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{153337}}^1$

素因数の和:153353

約数の個数: 24

約数和(自身を含む): 51521568

約数和(自身を除く): 30054388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 153337, 306674, 613348, 766685, 1073359, 1533370, 2146718, 3066740, 4293436, 5366795, 10733590, 21467180]

約数ペア:

[(1, 21467180), (2, 10733590), (4, 5366795), (5, 4293436), (7, 3066740), (10, 2146718), (14, 1533370), (20, 1073359), (28, 766685), (35, 613348), (70, 306674), (140, 153337)]