21640608

素因数分解:

$2^5\times 3^5\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 216

約数和(自身を含む): 73198944

約数和(自身を除く): 51558336

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 23, 24, 27, 32, 33, 36, 44, 46, 48, 54, 66, 69, 72, 81, 88, 92, 96, 99, 108, 121, 132, 138, 144, 162, 176, 184, 198, 207, 216, 242, 243, 253, 264, 276, 288, 297, 324, 352, 363, 368, 396, 414, 432, 484, 486, 506, 528, 552, 594, 621, 648, 726, 736, 759, 792, 828, 864, 891, 968, 972, 1012, 1056, 1089, 1104, 1188, 1242, 1296, 1452, 1518, 1584, 1656, 1782, 1863, 1936, 1944, 2024, 2178, 2208, 2277, 2376, 2484, 2592, 2673, 2783, 2904, 3036, 3168, 3267, 3312, 3564, 3726, 3872, 3888, 4048, 4356, 4554, 4752, 4968, 5346, 5566, 5589, 5808, 6072, 6534, 6624, 6831, 7128, 7452, 7776, 8096, 8349, 8712, 9108, 9504, 9801, 9936, 10692, 11132, 11178, 11616, 12144, 13068, 13662, 14256, 14904, 16698, 17424, 18216, 19602, 19872, 20493, 21384, 22264, 22356, 24288, 25047, 26136, 27324, 28512, 29403, 29808, 33396, 34848, 36432, 39204, 40986, 42768, 44528, 44712, 50094, 52272, 54648, 58806, 59616, 61479, 66792, 72864, 75141, 78408, 81972, 85536, 89056, 89424, 100188, 104544, 109296, 117612, 122958, 133584, 150282, 156816, 163944, 178848, 200376, 218592, 225423, 235224, 245916, 267168, 300564, 313632, 327888, 400752, 450846, 470448, 491832, 601128, 655776, 676269, 801504, 901692, 940896, 983664, 1202256, 1352538, 1803384, 1967328, 2404512, 2705076, 3606768, 5410152, 7213536, 10820304, 21640608]

約数ペア:

[(1, 21640608), (2, 10820304), (3, 7213536), (4, 5410152), (6, 3606768), (8, 2705076), (9, 2404512), (11, 1967328), (12, 1803384), (16, 1352538), (18, 1202256), (22, 983664), (23, 940896), (24, 901692), (27, 801504), (32, 676269), (33, 655776), (36, 601128), (44, 491832), (46, 470448), (48, 450846), (54, 400752), (66, 327888), (69, 313632), (72, 300564), (81, 267168), (88, 245916), (92, 235224), (96, 225423), (99, 218592), (108, 200376), (121, 178848), (132, 163944), (138, 156816), (144, 150282), (162, 133584), (176, 122958), (184, 117612), (198, 109296), (207, 104544), (216, 100188), (242, 89424), (243, 89056), (253, 85536), (264, 81972), (276, 78408), (288, 75141), (297, 72864), (324, 66792), (352, 61479), (363, 59616), (368, 58806), (396, 54648), (414, 52272), (432, 50094), (484, 44712), (486, 44528), (506, 42768), (528, 40986), (552, 39204), (594, 36432), (621, 34848), (648, 33396), (726, 29808), (736, 29403), (759, 28512), (792, 27324), (828, 26136), (864, 25047), (891, 24288), (968, 22356), (972, 22264), (1012, 21384), (1056, 20493), (1089, 19872), (1104, 19602), (1188, 18216), (1242, 17424), (1296, 16698), (1452, 14904), (1518, 14256), (1584, 13662), (1656, 13068), (1782, 12144), (1863, 11616), (1936, 11178), (1944, 11132), (2024, 10692), (2178, 9936), (2208, 9801), (2277, 9504), (2376, 9108), (2484, 8712), (2592, 8349), (2673, 8096), (2783, 7776), (2904, 7452), (3036, 7128), (3168, 6831), (3267, 6624), (3312, 6534), (3564, 6072), (3726, 5808), (3872, 5589), (3888, 5566), (4048, 5346), (4356, 4968), (4554, 4752)]