21010506

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{709}}^1$

素因数の和:1174

約数の個数: 32

約数和(自身を含む): 46008000

約数和(自身を除く): 24997494

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 449, 709, 898, 1347, 1418, 2127, 2694, 4254, 4939, 7799, 9878, 14817, 15598, 23397, 29634, 46794, 318341, 636682, 955023, 1910046, 3501751, 7003502, 10505253, 21010506]

約数ペア:

[(1, 21010506), (2, 10505253), (3, 7003502), (6, 3501751), (11, 1910046), (22, 955023), (33, 636682), (66, 318341), (449, 46794), (709, 29634), (898, 23397), (1347, 15598), (1418, 14817), (2127, 9878), (2694, 7799), (4254, 4939)]