21937290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{731243}}^1$

素因数の和:731253

約数の個数: 16

約数和(自身を含む): 52649568

約数和(自身を除く): 30712278

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 731243, 1462486, 2193729, 3656215, 4387458, 7312430, 10968645, 21937290]

約数ペア:

[(1, 21937290), (2, 10968645), (3, 7312430), (5, 4387458), (6, 3656215), (10, 2193729), (15, 1462486), (30, 731243)]