21139710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{704657}}^1$

素因数の和:704667

約数の個数: 16

約数和(自身を含む): 50735376

約数和(自身を除く): 29595666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 704657, 1409314, 2113971, 3523285, 4227942, 7046570, 10569855, 21139710]

約数ペア:

[(1, 21139710), (2, 10569855), (3, 7046570), (5, 4227942), (6, 3523285), (10, 2113971), (15, 1409314), (30, 704657)]