21931392

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 68544000

約数和(自身を除く): 46612608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 41, 42, 48, 56, 64, 82, 84, 96, 112, 123, 128, 164, 168, 192, 199, 224, 246, 287, 328, 336, 384, 398, 448, 492, 574, 597, 656, 672, 796, 861, 896, 984, 1148, 1194, 1312, 1344, 1393, 1592, 1722, 1968, 2296, 2388, 2624, 2688, 2786, 3184, 3444, 3936, 4179, 4592, 4776, 5248, 5572, 6368, 6888, 7872, 8159, 8358, 9184, 9552, 11144, 12736, 13776, 15744, 16318, 16716, 18368, 19104, 22288, 24477, 25472, 27552, 32636, 33432, 36736, 38208, 44576, 48954, 55104, 57113, 65272, 66864, 76416, 89152, 97908, 110208, 114226, 130544, 133728, 171339, 178304, 195816, 228452, 261088, 267456, 342678, 391632, 456904, 522176, 534912, 685356, 783264, 913808, 1044352, 1370712, 1566528, 1827616, 2741424, 3133056, 3655232, 5482848, 7310464, 10965696, 21931392]

約数ペア:

[(1, 21931392), (2, 10965696), (3, 7310464), (4, 5482848), (6, 3655232), (7, 3133056), (8, 2741424), (12, 1827616), (14, 1566528), (16, 1370712), (21, 1044352), (24, 913808), (28, 783264), (32, 685356), (41, 534912), (42, 522176), (48, 456904), (56, 391632), (64, 342678), (82, 267456), (84, 261088), (96, 228452), (112, 195816), (123, 178304), (128, 171339), (164, 133728), (168, 130544), (192, 114226), (199, 110208), (224, 97908), (246, 89152), (287, 76416), (328, 66864), (336, 65272), (384, 57113), (398, 55104), (448, 48954), (492, 44576), (574, 38208), (597, 36736), (656, 33432), (672, 32636), (796, 27552), (861, 25472), (896, 24477), (984, 22288), (1148, 19104), (1194, 18368), (1312, 16716), (1344, 16318), (1393, 15744), (1592, 13776), (1722, 12736), (1968, 11144), (2296, 9552), (2388, 9184), (2624, 8358), (2688, 8159), (2786, 7872), (3184, 6888), (3444, 6368), (3936, 5572), (4179, 5248), (4592, 4776)]