21010368

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 112

約数和(自身を含む): 60679584

約数和(自身を除く): 39669216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 41, 48, 51, 64, 68, 82, 96, 102, 123, 136, 157, 164, 192, 204, 246, 272, 314, 328, 408, 471, 492, 544, 628, 656, 697, 816, 942, 984, 1088, 1256, 1312, 1394, 1632, 1884, 1968, 2091, 2512, 2624, 2669, 2788, 3264, 3768, 3936, 4182, 5024, 5338, 5576, 6437, 7536, 7872, 8007, 8364, 10048, 10676, 11152, 12874, 15072, 16014, 16728, 19311, 21352, 22304, 25748, 30144, 32028, 33456, 38622, 42704, 44608, 51496, 64056, 66912, 77244, 85408, 102992, 109429, 128112, 133824, 154488, 170816, 205984, 218858, 256224, 308976, 328287, 411968, 437716, 512448, 617952, 656574, 875432, 1235904, 1313148, 1750864, 2626296, 3501728, 5252592, 7003456, 10505184, 21010368]

約数ペア:

[(1, 21010368), (2, 10505184), (3, 7003456), (4, 5252592), (6, 3501728), (8, 2626296), (12, 1750864), (16, 1313148), (17, 1235904), (24, 875432), (32, 656574), (34, 617952), (41, 512448), (48, 437716), (51, 411968), (64, 328287), (68, 308976), (82, 256224), (96, 218858), (102, 205984), (123, 170816), (136, 154488), (157, 133824), (164, 128112), (192, 109429), (204, 102992), (246, 85408), (272, 77244), (314, 66912), (328, 64056), (408, 51496), (471, 44608), (492, 42704), (544, 38622), (628, 33456), (656, 32028), (697, 30144), (816, 25748), (942, 22304), (984, 21352), (1088, 19311), (1256, 16728), (1312, 16014), (1394, 15072), (1632, 12874), (1884, 11152), (1968, 10676), (2091, 10048), (2512, 8364), (2624, 8007), (2669, 7872), (2788, 7536), (3264, 6437), (3768, 5576), (3936, 5338), (4182, 5024)]