21911736

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 69672960

約数和(自身を除く): 47761224

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 71, 77, 84, 88, 132, 142, 154, 167, 168, 213, 231, 264, 284, 308, 334, 426, 462, 497, 501, 568, 616, 668, 781, 852, 924, 994, 1002, 1169, 1336, 1491, 1562, 1704, 1837, 1848, 1988, 2004, 2338, 2343, 2982, 3124, 3507, 3674, 3976, 4008, 4676, 4686, 5467, 5511, 5964, 6248, 7014, 7348, 9352, 9372, 10934, 11022, 11857, 11928, 12859, 14028, 14696, 16401, 18744, 21868, 22044, 23714, 25718, 28056, 32802, 35571, 38577, 43736, 44088, 47428, 51436, 65604, 71142, 77154, 82999, 94856, 102872, 130427, 131208, 142284, 154308, 165998, 248997, 260854, 284568, 308616, 331996, 391281, 497994, 521708, 663992, 782562, 912989, 995988, 1043416, 1565124, 1825978, 1991976, 2738967, 3130248, 3651956, 5477934, 7303912, 10955868, 21911736]

約数ペア:

[(1, 21911736), (2, 10955868), (3, 7303912), (4, 5477934), (6, 3651956), (7, 3130248), (8, 2738967), (11, 1991976), (12, 1825978), (14, 1565124), (21, 1043416), (22, 995988), (24, 912989), (28, 782562), (33, 663992), (42, 521708), (44, 497994), (56, 391281), (66, 331996), (71, 308616), (77, 284568), (84, 260854), (88, 248997), (132, 165998), (142, 154308), (154, 142284), (167, 131208), (168, 130427), (213, 102872), (231, 94856), (264, 82999), (284, 77154), (308, 71142), (334, 65604), (426, 51436), (462, 47428), (497, 44088), (501, 43736), (568, 38577), (616, 35571), (668, 32802), (781, 28056), (852, 25718), (924, 23714), (994, 22044), (1002, 21868), (1169, 18744), (1336, 16401), (1491, 14696), (1562, 14028), (1704, 12859), (1837, 11928), (1848, 11857), (1988, 11022), (2004, 10934), (2338, 9372), (2343, 9352), (2982, 7348), (3124, 7014), (3507, 6248), (3674, 5964), (3976, 5511), (4008, 5467), (4676, 4686)]