21089376

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 76930560

約数和(自身を除く): 55841184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 54, 56, 63, 66, 72, 77, 84, 88, 96, 99, 108, 112, 126, 132, 144, 154, 168, 176, 189, 198, 216, 224, 231, 252, 264, 288, 297, 308, 317, 336, 352, 378, 396, 432, 462, 504, 528, 594, 616, 634, 672, 693, 756, 792, 864, 924, 951, 1008, 1056, 1188, 1232, 1268, 1386, 1512, 1584, 1848, 1902, 2016, 2079, 2219, 2376, 2464, 2536, 2772, 2853, 3024, 3168, 3487, 3696, 3804, 4158, 4438, 4752, 5072, 5544, 5706, 6048, 6657, 6974, 7392, 7608, 8316, 8559, 8876, 9504, 10144, 10461, 11088, 11412, 13314, 13948, 15216, 16632, 17118, 17752, 19971, 20922, 22176, 22824, 24409, 26628, 27896, 30432, 31383, 33264, 34236, 35504, 39942, 41844, 45648, 48818, 53256, 55792, 59913, 62766, 66528, 68472, 71008, 73227, 79884, 83688, 91296, 94149, 97636, 106512, 111584, 119826, 125532, 136944, 146454, 159768, 167376, 188298, 195272, 213024, 219681, 239652, 251064, 273888, 292908, 319536, 334752, 376596, 390544, 439362, 479304, 502128, 585816, 639072, 659043, 753192, 781088, 878724, 958608, 1004256, 1171632, 1318086, 1506384, 1757448, 1917216, 2343264, 2636172, 3012768, 3514896, 5272344, 7029792, 10544688, 21089376]

約数ペア:

[(1, 21089376), (2, 10544688), (3, 7029792), (4, 5272344), (6, 3514896), (7, 3012768), (8, 2636172), (9, 2343264), (11, 1917216), (12, 1757448), (14, 1506384), (16, 1318086), (18, 1171632), (21, 1004256), (22, 958608), (24, 878724), (27, 781088), (28, 753192), (32, 659043), (33, 639072), (36, 585816), (42, 502128), (44, 479304), (48, 439362), (54, 390544), (56, 376596), (63, 334752), (66, 319536), (72, 292908), (77, 273888), (84, 251064), (88, 239652), (96, 219681), (99, 213024), (108, 195272), (112, 188298), (126, 167376), (132, 159768), (144, 146454), (154, 136944), (168, 125532), (176, 119826), (189, 111584), (198, 106512), (216, 97636), (224, 94149), (231, 91296), (252, 83688), (264, 79884), (288, 73227), (297, 71008), (308, 68472), (317, 66528), (336, 62766), (352, 59913), (378, 55792), (396, 53256), (432, 48818), (462, 45648), (504, 41844), (528, 39942), (594, 35504), (616, 34236), (634, 33264), (672, 31383), (693, 30432), (756, 27896), (792, 26628), (864, 24409), (924, 22824), (951, 22176), (1008, 20922), (1056, 19971), (1188, 17752), (1232, 17118), (1268, 16632), (1386, 15216), (1512, 13948), (1584, 13314), (1848, 11412), (1902, 11088), (2016, 10461), (2079, 10144), (2219, 9504), (2376, 8876), (2464, 8559), (2536, 8316), (2772, 7608), (2853, 7392), (3024, 6974), (3168, 6657), (3487, 6048), (3696, 5706), (3804, 5544), (4158, 5072), (4438, 4752)]