21105546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4153}}^1$

素因数の和:4187

約数の個数: 48

約数和(自身を含む): 53038272

約数和(自身を除く): 31932726

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 462, 726, 847, 1694, 2541, 4153, 5082, 8306, 12459, 24918, 29071, 45683, 58142, 87213, 91366, 137049, 174426, 274098, 319781, 502513, 639562, 959343, 1005026, 1507539, 1918686, 3015078, 3517591, 7035182, 10552773, 21105546]

約数ペア:

[(1, 21105546), (2, 10552773), (3, 7035182), (6, 3517591), (7, 3015078), (11, 1918686), (14, 1507539), (21, 1005026), (22, 959343), (33, 639562), (42, 502513), (66, 319781), (77, 274098), (121, 174426), (154, 137049), (231, 91366), (242, 87213), (363, 58142), (462, 45683), (726, 29071), (847, 24918), (1694, 12459), (2541, 8306), (4153, 5082)]