21236439

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{34871}}^1$

素因数の和:34910

約数の個数: 16

約数和(自身を含む): 33477120

約数和(自身を除く): 12240681

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 34871, 104613, 244097, 732291, 1011259, 3033777, 7078813, 21236439]

約数ペア:

[(1, 21236439), (3, 7078813), (7, 3033777), (21, 1011259), (29, 732291), (87, 244097), (203, 104613), (609, 34871)]