21330246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 51757056

約数和(自身を除く): 30426810

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 71, 138, 142, 161, 213, 311, 322, 426, 483, 497, 622, 933, 966, 994, 1491, 1633, 1866, 2177, 2982, 3266, 4354, 4899, 6531, 7153, 9798, 11431, 13062, 14306, 21459, 22081, 22862, 34293, 42918, 44162, 50071, 66243, 68586, 100142, 132486, 150213, 154567, 300426, 309134, 463701, 507863, 927402, 1015726, 1523589, 3047178, 3555041, 7110082, 10665123, 21330246]

約数ペア:

[(1, 21330246), (2, 10665123), (3, 7110082), (6, 3555041), (7, 3047178), (14, 1523589), (21, 1015726), (23, 927402), (42, 507863), (46, 463701), (69, 309134), (71, 300426), (138, 154567), (142, 150213), (161, 132486), (213, 100142), (311, 68586), (322, 66243), (426, 50071), (483, 44162), (497, 42918), (622, 34293), (933, 22862), (966, 22081), (994, 21459), (1491, 14306), (1633, 13062), (1866, 11431), (2177, 9798), (2982, 7153), (3266, 6531), (4354, 4899)]