21237947

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1873}}^1$

素因数の和:1942

約数の個数: 16

約数和(自身を含む): 24287040

約数和(自身を除く): 3049093

約数列:

[1, 17, 23, 29, 391, 493, 667, 1873, 11339, 31841, 43079, 54317, 732343, 923389, 1249291, 21237947]

約数ペア:

[(1, 21237947), (17, 1249291), (23, 923389), (29, 732343), (391, 54317), (493, 43079), (667, 31841), (1873, 11339)]