21713196967

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1\times {\mathrm{12539}}^1$

素因数の和:13123

約数の個数: 32

約数和(自身を含む): 27755735040

約数和(自身を除く): 6042538073

約数列:

[1, 7, 11, 43, 77, 301, 473, 523, 3311, 3661, 5753, 12539, 22489, 40271, 87773, 137929, 157423, 247379, 539177, 965503, 1731653, 3774239, 5930947, 6557897, 41516629, 45905279, 72136867, 281989571, 504958069, 1973926997, 3101885281, 21713196967]

約数ペア:

[(1, 21713196967), (7, 3101885281), (11, 1973926997), (43, 504958069), (77, 281989571), (301, 72136867), (473, 45905279), (523, 41516629), (3311, 6557897), (3661, 5930947), (5753, 3774239), (12539, 1731653), (22489, 965503), (40271, 539177), (87773, 247379), (137929, 157423)]