21491690044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1783}}^1\times {\mathrm{8837}}^1$

素因数の和:10666

約数の個数: 48

約数和(自身を含む): 42381674496

約数和(自身を除く): 20889984452

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 1783, 3566, 7132, 8837, 17674, 19613, 35348, 39226, 55273, 78452, 97207, 110546, 194414, 221092, 273947, 388828, 547894, 608003, 1095788, 1216006, 2432012, 3013417, 6026834, 12053668, 15756371, 31512742, 63025484, 173320081, 346640162, 488447501, 693280324, 976895002, 1953790004, 5372922511, 10745845022, 21491690044]

約数ペア:

[(1, 21491690044), (2, 10745845022), (4, 5372922511), (11, 1953790004), (22, 976895002), (31, 693280324), (44, 488447501), (62, 346640162), (124, 173320081), (341, 63025484), (682, 31512742), (1364, 15756371), (1783, 12053668), (3566, 6026834), (7132, 3013417), (8837, 2432012), (17674, 1216006), (19613, 1095788), (35348, 608003), (39226, 547894), (55273, 388828), (78452, 273947), (97207, 221092), (110546, 194414)]