21967152

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 60234240

約数和(自身を除く): 38267088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 43, 48, 58, 86, 87, 116, 129, 172, 174, 232, 258, 344, 348, 367, 464, 516, 688, 696, 734, 1032, 1101, 1247, 1392, 1468, 2064, 2202, 2494, 2936, 3741, 4404, 4988, 5872, 7482, 8808, 9976, 10643, 14964, 15781, 17616, 19952, 21286, 29928, 31562, 31929, 42572, 47343, 59856, 63124, 63858, 85144, 94686, 126248, 127716, 170288, 189372, 252496, 255432, 378744, 457649, 510864, 757488, 915298, 1372947, 1830596, 2745894, 3661192, 5491788, 7322384, 10983576, 21967152]

約数ペア:

[(1, 21967152), (2, 10983576), (3, 7322384), (4, 5491788), (6, 3661192), (8, 2745894), (12, 1830596), (16, 1372947), (24, 915298), (29, 757488), (43, 510864), (48, 457649), (58, 378744), (86, 255432), (87, 252496), (116, 189372), (129, 170288), (172, 127716), (174, 126248), (232, 94686), (258, 85144), (344, 63858), (348, 63124), (367, 59856), (464, 47343), (516, 42572), (688, 31929), (696, 31562), (734, 29928), (1032, 21286), (1101, 19952), (1247, 17616), (1392, 15781), (1468, 14964), (2064, 10643), (2202, 9976), (2494, 8808), (2936, 7482), (3741, 5872), (4404, 4988)]