21131215237

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5947429}}^1$

素因数の和:5947476

約数の個数: 16

約数和(自身を含む): 25692897600

約数和(自身を除く): 4561682363

約数列:

[1, 11, 17, 19, 187, 209, 323, 3553, 5947429, 65421719, 101106293, 113001151, 1112169223, 1243012661, 1921019567, 21131215237]

約数ペア:

[(1, 21131215237), (11, 1921019567), (17, 1243012661), (19, 1112169223), (187, 113001151), (209, 101106293), (323, 65421719), (3553, 5947429)]