21051072

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:275

約数の個数: 168

約数和(自身を含む): 72274176

約数和(自身を除く): 51223104

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 28, 32, 36, 42, 46, 48, 56, 63, 64, 69, 72, 84, 92, 96, 112, 126, 138, 144, 161, 168, 184, 192, 207, 224, 227, 252, 276, 288, 322, 336, 368, 414, 448, 454, 483, 504, 552, 576, 644, 672, 681, 736, 828, 908, 966, 1008, 1104, 1288, 1344, 1362, 1449, 1472, 1589, 1656, 1816, 1932, 2016, 2043, 2208, 2576, 2724, 2898, 3178, 3312, 3632, 3864, 4032, 4086, 4416, 4767, 5152, 5221, 5448, 5796, 6356, 6624, 7264, 7728, 8172, 9534, 10304, 10442, 10896, 11592, 12712, 13248, 14301, 14528, 15456, 15663, 16344, 19068, 20884, 21792, 23184, 25424, 28602, 30912, 31326, 32688, 36547, 38136, 41768, 43584, 46368, 46989, 50848, 57204, 62652, 65376, 73094, 76272, 83536, 92736, 93978, 101696, 109641, 114408, 125304, 130752, 146188, 152544, 167072, 187956, 219282, 228816, 250608, 292376, 305088, 328923, 334144, 375912, 438564, 457632, 501216, 584752, 657846, 751824, 877128, 915264, 1002432, 1169504, 1315692, 1503648, 1754256, 2339008, 2631384, 3007296, 3508512, 5262768, 7017024, 10525536, 21051072]

約数ペア:

[(1, 21051072), (2, 10525536), (3, 7017024), (4, 5262768), (6, 3508512), (7, 3007296), (8, 2631384), (9, 2339008), (12, 1754256), (14, 1503648), (16, 1315692), (18, 1169504), (21, 1002432), (23, 915264), (24, 877128), (28, 751824), (32, 657846), (36, 584752), (42, 501216), (46, 457632), (48, 438564), (56, 375912), (63, 334144), (64, 328923), (69, 305088), (72, 292376), (84, 250608), (92, 228816), (96, 219282), (112, 187956), (126, 167072), (138, 152544), (144, 146188), (161, 130752), (168, 125304), (184, 114408), (192, 109641), (207, 101696), (224, 93978), (227, 92736), (252, 83536), (276, 76272), (288, 73094), (322, 65376), (336, 62652), (368, 57204), (414, 50848), (448, 46989), (454, 46368), (483, 43584), (504, 41768), (552, 38136), (576, 36547), (644, 32688), (672, 31326), (681, 30912), (736, 28602), (828, 25424), (908, 23184), (966, 21792), (1008, 20884), (1104, 19068), (1288, 16344), (1344, 15663), (1362, 15456), (1449, 14528), (1472, 14301), (1589, 13248), (1656, 12712), (1816, 11592), (1932, 10896), (2016, 10442), (2043, 10304), (2208, 9534), (2576, 8172), (2724, 7728), (2898, 7264), (3178, 6624), (3312, 6356), (3632, 5796), (3864, 5448), (4032, 5221), (4086, 5152), (4416, 4767)]