21112704

素因数分解:

$2^7\times 3^3\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 64260000

約数和(自身を除く): 43147296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 64, 72, 82, 96, 108, 123, 128, 144, 149, 164, 192, 216, 246, 288, 298, 328, 369, 384, 432, 447, 492, 576, 596, 656, 738, 864, 894, 984, 1107, 1152, 1192, 1312, 1341, 1476, 1728, 1788, 1968, 2214, 2384, 2624, 2682, 2952, 3456, 3576, 3936, 4023, 4428, 4768, 5248, 5364, 5904, 6109, 7152, 7872, 8046, 8856, 9536, 10728, 11808, 12218, 14304, 15744, 16092, 17712, 18327, 19072, 21456, 23616, 24436, 28608, 32184, 35424, 36654, 42912, 47232, 48872, 54981, 57216, 64368, 70848, 73308, 85824, 97744, 109962, 128736, 141696, 146616, 164943, 171648, 195488, 219924, 257472, 293232, 329886, 390976, 439848, 514944, 586464, 659772, 781952, 879696, 1172928, 1319544, 1759392, 2345856, 2639088, 3518784, 5278176, 7037568, 10556352, 21112704]

約数ペア:

[(1, 21112704), (2, 10556352), (3, 7037568), (4, 5278176), (6, 3518784), (8, 2639088), (9, 2345856), (12, 1759392), (16, 1319544), (18, 1172928), (24, 879696), (27, 781952), (32, 659772), (36, 586464), (41, 514944), (48, 439848), (54, 390976), (64, 329886), (72, 293232), (82, 257472), (96, 219924), (108, 195488), (123, 171648), (128, 164943), (144, 146616), (149, 141696), (164, 128736), (192, 109962), (216, 97744), (246, 85824), (288, 73308), (298, 70848), (328, 64368), (369, 57216), (384, 54981), (432, 48872), (447, 47232), (492, 42912), (576, 36654), (596, 35424), (656, 32184), (738, 28608), (864, 24436), (894, 23616), (984, 21456), (1107, 19072), (1152, 18327), (1192, 17712), (1312, 16092), (1341, 15744), (1476, 14304), (1728, 12218), (1788, 11808), (1968, 10728), (2214, 9536), (2384, 8856), (2624, 8046), (2682, 7872), (2952, 7152), (3456, 6109), (3576, 5904), (3936, 5364), (4023, 5248), (4428, 4768)]