21297520132

素因数分解:

$2^2\times 7^2\times {\mathrm{263}}^1\times {\mathrm{413159}}^1$

素因数の和:413440

約数の個数: 36

約数和(自身を含む): 43520621760

約数和(自身を除く): 22223101628

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 263, 526, 1052, 1841, 3682, 7364, 12887, 25774, 51548, 413159, 826318, 1652636, 2892113, 5784226, 11568452, 20244791, 40489582, 80979164, 108660817, 217321634, 434643268, 760625719, 1521251438, 3042502876, 5324380033, 10648760066, 21297520132]

約数ペア:

[(1, 21297520132), (2, 10648760066), (4, 5324380033), (7, 3042502876), (14, 1521251438), (28, 760625719), (49, 434643268), (98, 217321634), (196, 108660817), (263, 80979164), (526, 40489582), (1052, 20244791), (1841, 11568452), (3682, 5784226), (7364, 2892113), (12887, 1652636), (25774, 826318), (51548, 413159)]