21736437

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 10197003

約数列:

[1, 3, 19, 41, 57, 71, 123, 131, 213, 393, 779, 1349, 2337, 2489, 2911, 4047, 5371, 7467, 8733, 9301, 16113, 27903, 55309, 102049, 165927, 176719, 306147, 381341, 530157, 1144023, 7245479, 21736437]

約数ペア:

[(1, 21736437), (3, 7245479), (19, 1144023), (41, 530157), (57, 381341), (71, 306147), (123, 176719), (131, 165927), (213, 102049), (393, 55309), (779, 27903), (1349, 16113), (2337, 9301), (2489, 8733), (2911, 7467), (4047, 5371)]