21004704

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 192

約数和(自身を含む): 73543680

約数和(自身を除く): 52538976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 23, 24, 27, 28, 32, 36, 42, 46, 48, 54, 56, 63, 69, 72, 84, 92, 96, 108, 112, 126, 138, 144, 151, 161, 168, 184, 189, 207, 216, 224, 252, 276, 288, 302, 322, 336, 368, 378, 414, 432, 453, 483, 504, 552, 604, 621, 644, 672, 736, 756, 828, 864, 906, 966, 1008, 1057, 1104, 1208, 1242, 1288, 1359, 1449, 1512, 1656, 1812, 1932, 2016, 2114, 2208, 2416, 2484, 2576, 2718, 2898, 3024, 3171, 3312, 3473, 3624, 3864, 4077, 4228, 4347, 4832, 4968, 5152, 5436, 5796, 6048, 6342, 6624, 6946, 7248, 7728, 8154, 8456, 8694, 9513, 9936, 10419, 10872, 11592, 12684, 13892, 14496, 15456, 16308, 16912, 17388, 19026, 19872, 20838, 21744, 23184, 24311, 25368, 27784, 28539, 31257, 32616, 33824, 34776, 38052, 41676, 43488, 46368, 48622, 50736, 55568, 57078, 62514, 65232, 69552, 72933, 76104, 83352, 93771, 97244, 101472, 111136, 114156, 125028, 130464, 139104, 145866, 152208, 166704, 187542, 194488, 218799, 228312, 250056, 291732, 304416, 333408, 375084, 388976, 437598, 456624, 500112, 583464, 656397, 750168, 777952, 875196, 913248, 1000224, 1166928, 1312794, 1500336, 1750392, 2333856, 2625588, 3000672, 3500784, 5251176, 7001568, 10502352, 21004704]

約数ペア:

[(1, 21004704), (2, 10502352), (3, 7001568), (4, 5251176), (6, 3500784), (7, 3000672), (8, 2625588), (9, 2333856), (12, 1750392), (14, 1500336), (16, 1312794), (18, 1166928), (21, 1000224), (23, 913248), (24, 875196), (27, 777952), (28, 750168), (32, 656397), (36, 583464), (42, 500112), (46, 456624), (48, 437598), (54, 388976), (56, 375084), (63, 333408), (69, 304416), (72, 291732), (84, 250056), (92, 228312), (96, 218799), (108, 194488), (112, 187542), (126, 166704), (138, 152208), (144, 145866), (151, 139104), (161, 130464), (168, 125028), (184, 114156), (189, 111136), (207, 101472), (216, 97244), (224, 93771), (252, 83352), (276, 76104), (288, 72933), (302, 69552), (322, 65232), (336, 62514), (368, 57078), (378, 55568), (414, 50736), (432, 48622), (453, 46368), (483, 43488), (504, 41676), (552, 38052), (604, 34776), (621, 33824), (644, 32616), (672, 31257), (736, 28539), (756, 27784), (828, 25368), (864, 24311), (906, 23184), (966, 21744), (1008, 20838), (1057, 19872), (1104, 19026), (1208, 17388), (1242, 16912), (1288, 16308), (1359, 15456), (1449, 14496), (1512, 13892), (1656, 12684), (1812, 11592), (1932, 10872), (2016, 10419), (2114, 9936), (2208, 9513), (2416, 8694), (2484, 8456), (2576, 8154), (2718, 7728), (2898, 7248), (3024, 6946), (3171, 6624), (3312, 6342), (3473, 6048), (3624, 5796), (3864, 5436), (4077, 5152), (4228, 4968), (4347, 4832)]