21931490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313307}}^1$

素因数の和:313321

約数の個数: 16

約数和(自身を含む): 45116352

約数和(自身を除く): 23184862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313307, 626614, 1566535, 2193149, 3133070, 4386298, 10965745, 21931490]

約数ペア:

[(1, 21931490), (2, 10965745), (5, 4386298), (7, 3133070), (10, 2193149), (14, 1566535), (35, 626614), (70, 313307)]