21964969

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5231}}^1$

素因数の和:5280

約数の個数: 16

約数和(自身を含む): 26369280

約数和(自身を除く): 4404311

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 5231, 68003, 88927, 99389, 1156051, 1292057, 1689613, 21964969]

約数ペア:

[(1, 21964969), (13, 1689613), (17, 1292057), (19, 1156051), (221, 99389), (247, 88927), (323, 68003), (4199, 5231)]