21252672

素因数分解:

$2^6\times 3^3\times 7^2\times {\mathrm{251}}^1$

素因数の和:286

約数の個数: 168

約数和(自身を含む): 72969120

約数和(自身を除く): 51716448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 144, 147, 168, 189, 192, 196, 216, 224, 251, 252, 288, 294, 336, 378, 392, 432, 441, 448, 502, 504, 576, 588, 672, 753, 756, 784, 864, 882, 1004, 1008, 1176, 1323, 1344, 1506, 1512, 1568, 1728, 1757, 1764, 2008, 2016, 2259, 2352, 2646, 3012, 3024, 3136, 3514, 3528, 4016, 4032, 4518, 4704, 5271, 5292, 6024, 6048, 6777, 7028, 7056, 8032, 9036, 9408, 10542, 10584, 12048, 12096, 12299, 13554, 14056, 14112, 15813, 16064, 18072, 21084, 21168, 24096, 24598, 27108, 28112, 28224, 31626, 36144, 36897, 42168, 42336, 47439, 48192, 49196, 54216, 56224, 63252, 72288, 73794, 84336, 84672, 94878, 98392, 108432, 110691, 112448, 126504, 144576, 147588, 168672, 189756, 196784, 216864, 221382, 253008, 295176, 332073, 337344, 379512, 393568, 433728, 442764, 506016, 590352, 664146, 759024, 787136, 885528, 1012032, 1180704, 1328292, 1518048, 1771056, 2361408, 2656584, 3036096, 3542112, 5313168, 7084224, 10626336, 21252672]

約数ペア:

[(1, 21252672), (2, 10626336), (3, 7084224), (4, 5313168), (6, 3542112), (7, 3036096), (8, 2656584), (9, 2361408), (12, 1771056), (14, 1518048), (16, 1328292), (18, 1180704), (21, 1012032), (24, 885528), (27, 787136), (28, 759024), (32, 664146), (36, 590352), (42, 506016), (48, 442764), (49, 433728), (54, 393568), (56, 379512), (63, 337344), (64, 332073), (72, 295176), (84, 253008), (96, 221382), (98, 216864), (108, 196784), (112, 189756), (126, 168672), (144, 147588), (147, 144576), (168, 126504), (189, 112448), (192, 110691), (196, 108432), (216, 98392), (224, 94878), (251, 84672), (252, 84336), (288, 73794), (294, 72288), (336, 63252), (378, 56224), (392, 54216), (432, 49196), (441, 48192), (448, 47439), (502, 42336), (504, 42168), (576, 36897), (588, 36144), (672, 31626), (753, 28224), (756, 28112), (784, 27108), (864, 24598), (882, 24096), (1004, 21168), (1008, 21084), (1176, 18072), (1323, 16064), (1344, 15813), (1506, 14112), (1512, 14056), (1568, 13554), (1728, 12299), (1757, 12096), (1764, 12048), (2008, 10584), (2016, 10542), (2259, 9408), (2352, 9036), (2646, 8032), (3012, 7056), (3024, 7028), (3136, 6777), (3514, 6048), (3528, 6024), (4016, 5292), (4032, 5271), (4518, 4704)]