21105847157

素因数分解:

${\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{42683}}^1$

素因数の和:42805

約数の個数: 24

約数和(自身を含む): 23587178400

約数和(自身を除く): 2481331243

約数列:

[1, 17, 29, 59, 289, 493, 1003, 1711, 8381, 17051, 29087, 42683, 494479, 725611, 1237807, 2518297, 12335387, 21042719, 42811049, 73030613, 357726223, 727787833, 1241520421, 21105847157]

約数ペア:

[(1, 21105847157), (17, 1241520421), (29, 727787833), (59, 357726223), (289, 73030613), (493, 42811049), (1003, 21042719), (1711, 12335387), (8381, 2518297), (17051, 1237807), (29087, 725611), (42683, 494479)]