21746718

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:299

約数の個数: 80

約数和(自身を含む): 56500224

約数和(自身を除く): 34753506

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 127, 151, 162, 189, 254, 302, 378, 381, 453, 567, 762, 889, 906, 1057, 1134, 1143, 1359, 1778, 2114, 2286, 2667, 2718, 3171, 3429, 4077, 5334, 6342, 6858, 8001, 8154, 9513, 10287, 12231, 16002, 19026, 19177, 20574, 24003, 24462, 28539, 38354, 48006, 57078, 57531, 72009, 85617, 115062, 134239, 144018, 171234, 172593, 268478, 345186, 402717, 517779, 805434, 1035558, 1208151, 1553337, 2416302, 3106674, 3624453, 7248906, 10873359, 21746718]

約数ペア:

[(1, 21746718), (2, 10873359), (3, 7248906), (6, 3624453), (7, 3106674), (9, 2416302), (14, 1553337), (18, 1208151), (21, 1035558), (27, 805434), (42, 517779), (54, 402717), (63, 345186), (81, 268478), (126, 172593), (127, 171234), (151, 144018), (162, 134239), (189, 115062), (254, 85617), (302, 72009), (378, 57531), (381, 57078), (453, 48006), (567, 38354), (762, 28539), (889, 24462), (906, 24003), (1057, 20574), (1134, 19177), (1143, 19026), (1359, 16002), (1778, 12231), (2114, 10287), (2286, 9513), (2667, 8154), (2718, 8001), (3171, 6858), (3429, 6342), (4077, 5334)]