21091526

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21391}}^1$

素因数の和:21439

約数の個数: 16

約数和(自身を含む): 34655040

約数和(自身を除く): 13563514

約数列:

[1, 2, 17, 29, 34, 58, 493, 986, 21391, 42782, 363647, 620339, 727294, 1240678, 10545763, 21091526]

約数ペア:

[(1, 21091526), (2, 10545763), (17, 1240678), (29, 727294), (34, 620339), (58, 363647), (493, 42782), (986, 21391)]