21062387192

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{41647}}^1$

素因数の和:42492

約数の個数: 64

約数和(自身を含む): 49297904640

約数和(自身を除く): 28235517448

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 821, 1642, 3284, 5747, 6568, 9031, 11494, 18062, 22988, 36124, 41647, 45976, 63217, 72248, 83294, 126434, 166588, 252868, 291529, 333176, 458117, 505736, 583058, 916234, 1166116, 1832468, 2332232, 3206819, 3664936, 6413638, 12827276, 25654552, 34192187, 68384374, 136768748, 239345309, 273537496, 376114057, 478690618, 752228114, 957381236, 1504456228, 1914762472, 2632798399, 3008912456, 5265596798, 10531193596, 21062387192]

約数ペア:

[(1, 21062387192), (2, 10531193596), (4, 5265596798), (7, 3008912456), (8, 2632798399), (11, 1914762472), (14, 1504456228), (22, 957381236), (28, 752228114), (44, 478690618), (56, 376114057), (77, 273537496), (88, 239345309), (154, 136768748), (308, 68384374), (616, 34192187), (821, 25654552), (1642, 12827276), (3284, 6413638), (5747, 3664936), (6568, 3206819), (9031, 2332232), (11494, 1832468), (18062, 1166116), (22988, 916234), (36124, 583058), (41647, 505736), (45976, 458117), (63217, 333176), (72248, 291529), (83294, 252868), (126434, 166588)]