21497013424

素因数分解:

$2^4\times {\mathrm{17341}}^1\times {\mathrm{77479}}^1$

素因数の和:94828

約数の個数: 20

約数和(自身を含む): 41653402960

約数和(自身を除く): 20156389536

約数列:

[1, 2, 4, 8, 16, 17341, 34682, 69364, 77479, 138728, 154958, 277456, 309916, 619832, 1239664, 1343563339, 2687126678, 5374253356, 10748506712, 21497013424]

約数ペア:

[(1, 21497013424), (2, 10748506712), (4, 5374253356), (8, 2687126678), (16, 1343563339), (17341, 1239664), (34682, 619832), (69364, 309916), (77479, 277456), (138728, 154958)]