21058379

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 16

約数和(自身を含む): 22680000

約数和(自身を除く): 1621621

約数列:

[1, 29, 41, 89, 199, 1189, 2581, 3649, 5771, 8159, 17711, 105821, 236611, 513619, 726151, 21058379]

約数ペア:

[(1, 21058379), (29, 726151), (41, 513619), (89, 236611), (199, 105821), (1189, 17711), (2581, 8159), (3649, 5771)]