21351810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{711727}}^1$

素因数の和:711737

約数の個数: 16

約数和(自身を含む): 51244416

約数和(自身を除く): 29892606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 711727, 1423454, 2135181, 3558635, 4270362, 7117270, 10675905, 21351810]

約数ペア:

[(1, 21351810), (2, 10675905), (3, 7117270), (5, 4270362), (6, 3558635), (10, 2135181), (15, 1423454), (30, 711727)]