21209491237

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{494267}}^1$

素因数の和:494408

約数の個数: 16

約数和(自身を含む): 23914662912

約数和(自身を除く): 2705171675

約数列:

[1, 11, 47, 83, 517, 913, 3901, 42911, 494267, 5436937, 23230549, 41024161, 255536039, 451265771, 1928135567, 21209491237]

約数ペア:

[(1, 21209491237), (11, 1928135567), (47, 451265771), (83, 255536039), (517, 41024161), (913, 23230549), (3901, 5436937), (42911, 494267)]