21561408

素因数分解:

$2^6\times 3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:153

約数の個数: 168

約数和(自身を含む): 69896736

約数和(自身を除く): 48335328

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 41, 44, 48, 64, 66, 72, 82, 83, 88, 96, 99, 123, 132, 144, 164, 166, 176, 192, 198, 246, 249, 264, 288, 328, 332, 352, 369, 396, 451, 492, 498, 528, 576, 656, 664, 704, 738, 747, 792, 902, 913, 984, 996, 1056, 1312, 1328, 1353, 1476, 1494, 1584, 1804, 1826, 1968, 1992, 2112, 2624, 2656, 2706, 2739, 2952, 2988, 3168, 3403, 3608, 3652, 3936, 3984, 4059, 5312, 5412, 5478, 5904, 5976, 6336, 6806, 7216, 7304, 7872, 7968, 8118, 8217, 10209, 10824, 10956, 11808, 11952, 13612, 14432, 14608, 15936, 16236, 16434, 20418, 21648, 21912, 23616, 23904, 27224, 28864, 29216, 30627, 32472, 32868, 37433, 40836, 43296, 43824, 47808, 54448, 58432, 61254, 64944, 65736, 74866, 81672, 86592, 87648, 108896, 112299, 122508, 129888, 131472, 149732, 163344, 175296, 217792, 224598, 245016, 259776, 262944, 299464, 326688, 336897, 449196, 490032, 525888, 598928, 653376, 673794, 898392, 980064, 1197856, 1347588, 1796784, 1960128, 2395712, 2695176, 3593568, 5390352, 7187136, 10780704, 21561408]

約数ペア:

[(1, 21561408), (2, 10780704), (3, 7187136), (4, 5390352), (6, 3593568), (8, 2695176), (9, 2395712), (11, 1960128), (12, 1796784), (16, 1347588), (18, 1197856), (22, 980064), (24, 898392), (32, 673794), (33, 653376), (36, 598928), (41, 525888), (44, 490032), (48, 449196), (64, 336897), (66, 326688), (72, 299464), (82, 262944), (83, 259776), (88, 245016), (96, 224598), (99, 217792), (123, 175296), (132, 163344), (144, 149732), (164, 131472), (166, 129888), (176, 122508), (192, 112299), (198, 108896), (246, 87648), (249, 86592), (264, 81672), (288, 74866), (328, 65736), (332, 64944), (352, 61254), (369, 58432), (396, 54448), (451, 47808), (492, 43824), (498, 43296), (528, 40836), (576, 37433), (656, 32868), (664, 32472), (704, 30627), (738, 29216), (747, 28864), (792, 27224), (902, 23904), (913, 23616), (984, 21912), (996, 21648), (1056, 20418), (1312, 16434), (1328, 16236), (1353, 15936), (1476, 14608), (1494, 14432), (1584, 13612), (1804, 11952), (1826, 11808), (1968, 10956), (1992, 10824), (2112, 10209), (2624, 8217), (2656, 8118), (2706, 7968), (2739, 7872), (2952, 7304), (2988, 7216), (3168, 6806), (3403, 6336), (3608, 5976), (3652, 5904), (3936, 5478), (3984, 5412), (4059, 5312)]