21714924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 64253952

約数和(自身を除く): 42539028

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 71, 77, 84, 132, 142, 154, 213, 231, 284, 308, 331, 426, 462, 497, 662, 781, 852, 924, 993, 994, 1324, 1491, 1562, 1986, 1988, 2317, 2343, 2982, 3124, 3641, 3972, 4634, 4686, 5467, 5964, 6951, 7282, 9268, 9372, 10923, 10934, 13902, 14564, 16401, 21846, 21868, 23501, 25487, 27804, 32802, 43692, 47002, 50974, 65604, 70503, 76461, 94004, 101948, 141006, 152922, 164507, 258511, 282012, 305844, 329014, 493521, 517022, 658028, 775533, 987042, 1034044, 1551066, 1809577, 1974084, 3102132, 3619154, 5428731, 7238308, 10857462, 21714924]

約数ペア:

[(1, 21714924), (2, 10857462), (3, 7238308), (4, 5428731), (6, 3619154), (7, 3102132), (11, 1974084), (12, 1809577), (14, 1551066), (21, 1034044), (22, 987042), (28, 775533), (33, 658028), (42, 517022), (44, 493521), (66, 329014), (71, 305844), (77, 282012), (84, 258511), (132, 164507), (142, 152922), (154, 141006), (213, 101948), (231, 94004), (284, 76461), (308, 70503), (331, 65604), (426, 50974), (462, 47002), (497, 43692), (662, 32802), (781, 27804), (852, 25487), (924, 23501), (993, 21868), (994, 21846), (1324, 16401), (1491, 14564), (1562, 13902), (1986, 10934), (1988, 10923), (2317, 9372), (2343, 9268), (2982, 7282), (3124, 6951), (3641, 5964), (3972, 5467), (4634, 4686)]