21820494864

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{47857}}^1$

素因数の和:47957

約数の個数: 160

約数和(自身を含む): 68364195840

約数和(自身を除く): 46543700976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 59, 69, 84, 92, 112, 118, 138, 161, 168, 177, 184, 236, 276, 322, 336, 354, 368, 413, 472, 483, 552, 644, 708, 826, 944, 966, 1104, 1239, 1288, 1357, 1416, 1652, 1932, 2478, 2576, 2714, 2832, 3304, 3864, 4071, 4956, 5428, 6608, 7728, 8142, 9499, 9912, 10856, 16284, 18998, 19824, 21712, 28497, 32568, 37996, 47857, 56994, 65136, 75992, 95714, 113988, 143571, 151984, 191428, 227976, 287142, 334999, 382856, 455952, 574284, 669998, 765712, 1004997, 1100711, 1148568, 1339996, 2009994, 2201422, 2297136, 2679992, 2823563, 3302133, 4019988, 4402844, 5359984, 5647126, 6604266, 7704977, 8039976, 8470689, 8805688, 11294252, 13208532, 15409954, 16079952, 16941378, 17611376, 19764941, 22588504, 23114931, 26417064, 30819908, 33882756, 39529882, 45177008, 46229862, 52834128, 59294823, 61639816, 64941949, 67765512, 79059764, 92459724, 118589646, 123279632, 129883898, 135531024, 158119528, 184919448, 194825847, 237179292, 259767796, 316239056, 369838896, 389651694, 454593643, 474358584, 519535592, 779303388, 909187286, 948717168, 1039071184, 1363780929, 1558606776, 1818374572, 2727561858, 3117213552, 3636749144, 5455123716, 7273498288, 10910247432, 21820494864]

約数ペア:

[(1, 21820494864), (2, 10910247432), (3, 7273498288), (4, 5455123716), (6, 3636749144), (7, 3117213552), (8, 2727561858), (12, 1818374572), (14, 1558606776), (16, 1363780929), (21, 1039071184), (23, 948717168), (24, 909187286), (28, 779303388), (42, 519535592), (46, 474358584), (48, 454593643), (56, 389651694), (59, 369838896), (69, 316239056), (84, 259767796), (92, 237179292), (112, 194825847), (118, 184919448), (138, 158119528), (161, 135531024), (168, 129883898), (177, 123279632), (184, 118589646), (236, 92459724), (276, 79059764), (322, 67765512), (336, 64941949), (354, 61639816), (368, 59294823), (413, 52834128), (472, 46229862), (483, 45177008), (552, 39529882), (644, 33882756), (708, 30819908), (826, 26417064), (944, 23114931), (966, 22588504), (1104, 19764941), (1239, 17611376), (1288, 16941378), (1357, 16079952), (1416, 15409954), (1652, 13208532), (1932, 11294252), (2478, 8805688), (2576, 8470689), (2714, 8039976), (2832, 7704977), (3304, 6604266), (3864, 5647126), (4071, 5359984), (4956, 4402844), (5428, 4019988), (6608, 3302133), (7728, 2823563), (8142, 2679992), (9499, 2297136), (9912, 2201422), (10856, 2009994), (16284, 1339996), (18998, 1148568), (19824, 1100711), (21712, 1004997), (28497, 765712), (32568, 669998), (37996, 574284), (47857, 455952), (56994, 382856), (65136, 334999), (75992, 287142), (95714, 227976), (113988, 191428), (143571, 151984)]