21759234

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 51744000

約数和(自身を除く): 29984766

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 97, 98, 109, 147, 194, 218, 291, 294, 327, 343, 582, 654, 679, 686, 763, 1029, 1358, 1526, 2037, 2058, 2289, 4074, 4578, 4753, 5341, 9506, 10573, 10682, 14259, 16023, 21146, 28518, 31719, 32046, 33271, 37387, 63438, 66542, 74011, 74774, 99813, 112161, 148022, 199626, 222033, 224322, 444066, 518077, 1036154, 1554231, 3108462, 3626539, 7253078, 10879617, 21759234]

約数ペア:

[(1, 21759234), (2, 10879617), (3, 7253078), (6, 3626539), (7, 3108462), (14, 1554231), (21, 1036154), (42, 518077), (49, 444066), (97, 224322), (98, 222033), (109, 199626), (147, 148022), (194, 112161), (218, 99813), (291, 74774), (294, 74011), (327, 66542), (343, 63438), (582, 37387), (654, 33271), (679, 32046), (686, 31719), (763, 28518), (1029, 21146), (1358, 16023), (1526, 14259), (2037, 10682), (2058, 10573), (2289, 9506), (4074, 5341), (4578, 4753)]