21040128

素因数分解:

$2^{10}\times 3^3\times {\mathrm{761}}^1$

素因数の和:790

約数の個数: 88

約数和(自身を含む): 62392560

約数和(自身を除く): 41352432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 761, 768, 864, 1024, 1152, 1522, 1536, 1728, 2283, 2304, 3044, 3072, 3456, 4566, 4608, 6088, 6849, 6912, 9132, 9216, 12176, 13698, 13824, 18264, 20547, 24352, 27396, 27648, 36528, 41094, 48704, 54792, 73056, 82188, 97408, 109584, 146112, 164376, 194816, 219168, 292224, 328752, 389632, 438336, 584448, 657504, 779264, 876672, 1168896, 1315008, 1753344, 2337792, 2630016, 3506688, 5260032, 7013376, 10520064, 21040128]

約数ペア:

[(1, 21040128), (2, 10520064), (3, 7013376), (4, 5260032), (6, 3506688), (8, 2630016), (9, 2337792), (12, 1753344), (16, 1315008), (18, 1168896), (24, 876672), (27, 779264), (32, 657504), (36, 584448), (48, 438336), (54, 389632), (64, 328752), (72, 292224), (96, 219168), (108, 194816), (128, 164376), (144, 146112), (192, 109584), (216, 97408), (256, 82188), (288, 73056), (384, 54792), (432, 48704), (512, 41094), (576, 36528), (761, 27648), (768, 27396), (864, 24352), (1024, 20547), (1152, 18264), (1522, 13824), (1536, 13698), (1728, 12176), (2283, 9216), (2304, 9132), (3044, 6912), (3072, 6849), (3456, 6088), (4566, 4608)]