21897594

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 51118080

約数和(自身を除く): 29220486

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 103, 127, 186, 206, 254, 279, 309, 381, 558, 618, 762, 837, 927, 1143, 1674, 1854, 2286, 2781, 3193, 3429, 3937, 5562, 6386, 6858, 7874, 9579, 11811, 13081, 19158, 23622, 26162, 28737, 35433, 39243, 57474, 70866, 78486, 86211, 106299, 117729, 172422, 212598, 235458, 353187, 405511, 706374, 811022, 1216533, 2433066, 3649599, 7299198, 10948797, 21897594]

約数ペア:

[(1, 21897594), (2, 10948797), (3, 7299198), (6, 3649599), (9, 2433066), (18, 1216533), (27, 811022), (31, 706374), (54, 405511), (62, 353187), (93, 235458), (103, 212598), (127, 172422), (186, 117729), (206, 106299), (254, 86211), (279, 78486), (309, 70866), (381, 57474), (558, 39243), (618, 35433), (762, 28737), (837, 26162), (927, 23622), (1143, 19158), (1674, 13081), (1854, 11811), (2286, 9579), (2781, 7874), (3193, 6858), (3429, 6386), (3937, 5562)]