21386736

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{433}}^1$

素因数の和:468

約数の個数: 120

約数和(自身を含む): 69960800

約数和(自身を除く): 48574064

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 343, 392, 433, 441, 504, 588, 686, 784, 866, 882, 1008, 1029, 1176, 1299, 1372, 1732, 1764, 2058, 2352, 2598, 2744, 3031, 3087, 3464, 3528, 3897, 4116, 5196, 5488, 6062, 6174, 6928, 7056, 7794, 8232, 9093, 10392, 12124, 12348, 15588, 16464, 18186, 20784, 21217, 24248, 24696, 27279, 31176, 36372, 42434, 48496, 49392, 54558, 62352, 63651, 72744, 84868, 109116, 127302, 145488, 148519, 169736, 190953, 218232, 254604, 297038, 339472, 381906, 436464, 445557, 509208, 594076, 763812, 891114, 1018416, 1188152, 1336671, 1527624, 1782228, 2376304, 2673342, 3055248, 3564456, 5346684, 7128912, 10693368, 21386736]

約数ペア:

[(1, 21386736), (2, 10693368), (3, 7128912), (4, 5346684), (6, 3564456), (7, 3055248), (8, 2673342), (9, 2376304), (12, 1782228), (14, 1527624), (16, 1336671), (18, 1188152), (21, 1018416), (24, 891114), (28, 763812), (36, 594076), (42, 509208), (48, 445557), (49, 436464), (56, 381906), (63, 339472), (72, 297038), (84, 254604), (98, 218232), (112, 190953), (126, 169736), (144, 148519), (147, 145488), (168, 127302), (196, 109116), (252, 84868), (294, 72744), (336, 63651), (343, 62352), (392, 54558), (433, 49392), (441, 48496), (504, 42434), (588, 36372), (686, 31176), (784, 27279), (866, 24696), (882, 24248), (1008, 21217), (1029, 20784), (1176, 18186), (1299, 16464), (1372, 15588), (1732, 12348), (1764, 12124), (2058, 10392), (2352, 9093), (2598, 8232), (2744, 7794), (3031, 7056), (3087, 6928), (3464, 6174), (3528, 6062), (3897, 5488), (4116, 5196)]