21583716

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 66189312

約数和(自身を除く): 44605596

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 47, 49, 66, 71, 77, 84, 94, 98, 132, 141, 142, 147, 154, 188, 196, 213, 231, 282, 284, 294, 308, 329, 426, 462, 497, 517, 539, 564, 588, 658, 781, 852, 924, 987, 994, 1034, 1078, 1316, 1491, 1551, 1562, 1617, 1974, 1988, 2068, 2156, 2303, 2343, 2982, 3102, 3124, 3234, 3337, 3479, 3619, 3948, 4606, 4686, 5467, 5964, 6204, 6468, 6674, 6909, 6958, 7238, 9212, 9372, 10011, 10437, 10857, 10934, 13348, 13818, 13916, 14476, 16401, 20022, 20874, 21714, 21868, 23359, 25333, 27636, 32802, 36707, 38269, 40044, 41748, 43428, 46718, 50666, 65604, 70077, 73414, 75999, 76538, 93436, 101332, 110121, 114807, 140154, 146828, 151998, 153076, 163513, 220242, 229614, 256949, 280308, 303996, 327026, 440484, 459228, 490539, 513898, 654052, 770847, 981078, 1027796, 1541694, 1798643, 1962156, 3083388, 3597286, 5395929, 7194572, 10791858, 21583716]

約数ペア:

[(1, 21583716), (2, 10791858), (3, 7194572), (4, 5395929), (6, 3597286), (7, 3083388), (11, 1962156), (12, 1798643), (14, 1541694), (21, 1027796), (22, 981078), (28, 770847), (33, 654052), (42, 513898), (44, 490539), (47, 459228), (49, 440484), (66, 327026), (71, 303996), (77, 280308), (84, 256949), (94, 229614), (98, 220242), (132, 163513), (141, 153076), (142, 151998), (147, 146828), (154, 140154), (188, 114807), (196, 110121), (213, 101332), (231, 93436), (282, 76538), (284, 75999), (294, 73414), (308, 70077), (329, 65604), (426, 50666), (462, 46718), (497, 43428), (517, 41748), (539, 40044), (564, 38269), (588, 36707), (658, 32802), (781, 27636), (852, 25333), (924, 23359), (987, 21868), (994, 21714), (1034, 20874), (1078, 20022), (1316, 16401), (1491, 14476), (1551, 13916), (1562, 13818), (1617, 13348), (1974, 10934), (1988, 10857), (2068, 10437), (2156, 10011), (2303, 9372), (2343, 9212), (2982, 7238), (3102, 6958), (3124, 6909), (3234, 6674), (3337, 6468), (3479, 6204), (3619, 5964), (3948, 5467), (4606, 4686)]