213250884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20981}}^1$

素因数の和:21017

約数の個数: 72

約数和(自身を含む): 625095744

約数和(自身を除く): 411844860

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 3388, 5082, 10164, 20981, 41962, 62943, 83924, 125886, 146867, 230791, 251772, 293734, 440601, 461582, 587468, 692373, 881202, 923164, 1384746, 1615537, 1762404, 2538701, 2769492, 3231074, 4846611, 5077402, 6462148, 7616103, 9693222, 10154804, 15232206, 17770907, 19386444, 30464412, 35541814, 53312721, 71083628, 106625442, 213250884]

約数ペア:

[(1, 213250884), (2, 106625442), (3, 71083628), (4, 53312721), (6, 35541814), (7, 30464412), (11, 19386444), (12, 17770907), (14, 15232206), (21, 10154804), (22, 9693222), (28, 7616103), (33, 6462148), (42, 5077402), (44, 4846611), (66, 3231074), (77, 2769492), (84, 2538701), (121, 1762404), (132, 1615537), (154, 1384746), (231, 923164), (242, 881202), (308, 692373), (363, 587468), (462, 461582), (484, 440601), (726, 293734), (847, 251772), (924, 230791), (1452, 146867), (1694, 125886), (2541, 83924), (3388, 62943), (5082, 41962), (10164, 20981)]