21079949

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 25788000

約数和(自身を除く): 4708051

約数列:

[1, 11, 17, 19, 187, 209, 289, 323, 349, 3179, 3553, 3839, 5491, 5933, 6631, 60401, 65263, 72941, 100861, 112727, 1109471, 1239997, 1916359, 21079949]

約数ペア:

[(1, 21079949), (11, 1916359), (17, 1239997), (19, 1109471), (187, 112727), (209, 100861), (289, 72941), (323, 65263), (349, 60401), (3179, 6631), (3553, 5933), (3839, 5491)]