21131435536

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{3637}}^1\times {\mathrm{5953}}^1$

素因数の和:9659

約数の個数: 40

約数和(自身を含む): 41631773144

約数和(自身を除く): 20500337608

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 3637, 5953, 7274, 11906, 14548, 23812, 29096, 47624, 58192, 95248, 221857, 363133, 443714, 726266, 887428, 1452532, 1774856, 2905064, 3549712, 5810128, 21651061, 43302122, 86604244, 173208488, 346416976, 1320714721, 2641429442, 5282858884, 10565717768, 21131435536]

約数ペア:

[(1, 21131435536), (2, 10565717768), (4, 5282858884), (8, 2641429442), (16, 1320714721), (61, 346416976), (122, 173208488), (244, 86604244), (488, 43302122), (976, 21651061), (3637, 5810128), (5953, 3549712), (7274, 2905064), (11906, 1774856), (14548, 1452532), (23812, 887428), (29096, 726266), (47624, 443714), (58192, 363133), (95248, 221857)]