21797568

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 168

約数和(自身を含む): 69896736

約数和(自身を除く): 48099168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 41, 48, 52, 64, 71, 72, 78, 82, 96, 104, 117, 123, 142, 144, 156, 164, 192, 208, 213, 234, 246, 284, 288, 312, 328, 369, 416, 426, 468, 492, 533, 568, 576, 624, 639, 656, 738, 832, 852, 923, 936, 984, 1066, 1136, 1248, 1278, 1312, 1476, 1599, 1704, 1846, 1872, 1968, 2132, 2272, 2496, 2556, 2624, 2769, 2911, 2952, 3198, 3408, 3692, 3744, 3936, 4264, 4544, 4797, 5112, 5538, 5822, 5904, 6396, 6816, 7384, 7488, 7872, 8307, 8528, 8733, 9594, 10224, 11076, 11644, 11808, 12792, 13632, 14768, 16614, 17056, 17466, 19188, 20448, 22152, 23288, 23616, 25584, 26199, 29536, 33228, 34112, 34932, 37843, 38376, 40896, 44304, 46576, 51168, 52398, 59072, 66456, 69864, 75686, 76752, 88608, 93152, 102336, 104796, 113529, 132912, 139728, 151372, 153504, 177216, 186304, 209592, 227058, 265824, 279456, 302744, 307008, 340587, 419184, 454116, 531648, 558912, 605488, 681174, 838368, 908232, 1210976, 1362348, 1676736, 1816464, 2421952, 2724696, 3632928, 5449392, 7265856, 10898784, 21797568]

約数ペア:

[(1, 21797568), (2, 10898784), (3, 7265856), (4, 5449392), (6, 3632928), (8, 2724696), (9, 2421952), (12, 1816464), (13, 1676736), (16, 1362348), (18, 1210976), (24, 908232), (26, 838368), (32, 681174), (36, 605488), (39, 558912), (41, 531648), (48, 454116), (52, 419184), (64, 340587), (71, 307008), (72, 302744), (78, 279456), (82, 265824), (96, 227058), (104, 209592), (117, 186304), (123, 177216), (142, 153504), (144, 151372), (156, 139728), (164, 132912), (192, 113529), (208, 104796), (213, 102336), (234, 93152), (246, 88608), (284, 76752), (288, 75686), (312, 69864), (328, 66456), (369, 59072), (416, 52398), (426, 51168), (468, 46576), (492, 44304), (533, 40896), (568, 38376), (576, 37843), (624, 34932), (639, 34112), (656, 33228), (738, 29536), (832, 26199), (852, 25584), (923, 23616), (936, 23288), (984, 22152), (1066, 20448), (1136, 19188), (1248, 17466), (1278, 17056), (1312, 16614), (1476, 14768), (1599, 13632), (1704, 12792), (1846, 11808), (1872, 11644), (1968, 11076), (2132, 10224), (2272, 9594), (2496, 8733), (2556, 8528), (2624, 8307), (2769, 7872), (2911, 7488), (2952, 7384), (3198, 6816), (3408, 6396), (3692, 5904), (3744, 5822), (3936, 5538), (4264, 5112), (4544, 4797)]