21404922

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 53996544

約数和(自身を除く): 32591622

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 107, 154, 214, 231, 321, 433, 462, 642, 749, 866, 1177, 1299, 1498, 2247, 2354, 2598, 3031, 3531, 4494, 4763, 6062, 7062, 8239, 9093, 9526, 14289, 16478, 18186, 24717, 28578, 33341, 46331, 49434, 66682, 92662, 100023, 138993, 200046, 277986, 324317, 509641, 648634, 972951, 1019282, 1528923, 1945902, 3057846, 3567487, 7134974, 10702461, 21404922]

約数ペア:

[(1, 21404922), (2, 10702461), (3, 7134974), (6, 3567487), (7, 3057846), (11, 1945902), (14, 1528923), (21, 1019282), (22, 972951), (33, 648634), (42, 509641), (66, 324317), (77, 277986), (107, 200046), (154, 138993), (214, 100023), (231, 92662), (321, 66682), (433, 49434), (462, 46331), (642, 33341), (749, 28578), (866, 24717), (1177, 18186), (1299, 16478), (1498, 14289), (2247, 9526), (2354, 9093), (2598, 8239), (3031, 7062), (3531, 6062), (4494, 4763)]