21814370

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21179}}^1$

素因数の和:21289

約数の個数: 16

約数和(自身を含む): 39648960

約数和(自身を除く): 17834590

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 21179, 42358, 105895, 211790, 2181437, 4362874, 10907185, 21814370]

約数ペア:

[(1, 21814370), (2, 10907185), (5, 4362874), (10, 2181437), (103, 211790), (206, 105895), (515, 42358), (1030, 21179)]