21090384

素因数分解:

$2^4\times 3^2\times 7^4\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 150

約数和(自身を含む): 69985786

約数和(自身を除く): 48895402

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 61, 63, 72, 84, 98, 112, 122, 126, 144, 147, 168, 183, 196, 244, 252, 294, 336, 343, 366, 392, 427, 441, 488, 504, 549, 588, 686, 732, 784, 854, 882, 976, 1008, 1029, 1098, 1176, 1281, 1372, 1464, 1708, 1764, 2058, 2196, 2352, 2401, 2562, 2744, 2928, 2989, 3087, 3416, 3528, 3843, 4116, 4392, 4802, 5124, 5488, 5978, 6174, 6832, 7056, 7203, 7686, 8232, 8784, 8967, 9604, 10248, 11956, 12348, 14406, 15372, 16464, 17934, 19208, 20496, 20923, 21609, 23912, 24696, 26901, 28812, 30744, 35868, 38416, 41846, 43218, 47824, 49392, 53802, 57624, 61488, 62769, 71736, 83692, 86436, 107604, 115248, 125538, 143472, 146461, 167384, 172872, 188307, 215208, 251076, 292922, 334768, 345744, 376614, 430416, 439383, 502152, 585844, 753228, 878766, 1004304, 1171688, 1318149, 1506456, 1757532, 2343376, 2636298, 3012912, 3515064, 5272596, 7030128, 10545192, 21090384]

約数ペア:

[(1, 21090384), (2, 10545192), (3, 7030128), (4, 5272596), (6, 3515064), (7, 3012912), (8, 2636298), (9, 2343376), (12, 1757532), (14, 1506456), (16, 1318149), (18, 1171688), (21, 1004304), (24, 878766), (28, 753228), (36, 585844), (42, 502152), (48, 439383), (49, 430416), (56, 376614), (61, 345744), (63, 334768), (72, 292922), (84, 251076), (98, 215208), (112, 188307), (122, 172872), (126, 167384), (144, 146461), (147, 143472), (168, 125538), (183, 115248), (196, 107604), (244, 86436), (252, 83692), (294, 71736), (336, 62769), (343, 61488), (366, 57624), (392, 53802), (427, 49392), (441, 47824), (488, 43218), (504, 41846), (549, 38416), (588, 35868), (686, 30744), (732, 28812), (784, 26901), (854, 24696), (882, 23912), (976, 21609), (1008, 20923), (1029, 20496), (1098, 19208), (1176, 17934), (1281, 16464), (1372, 15372), (1464, 14406), (1708, 12348), (1764, 11956), (2058, 10248), (2196, 9604), (2352, 8967), (2401, 8784), (2562, 8232), (2744, 7686), (2928, 7203), (2989, 7056), (3087, 6832), (3416, 6174), (3528, 5978), (3843, 5488), (4116, 5124), (4392, 4802)]