21026304

素因数分解:

$2^9\times 3^5\times {\mathrm{13}}^2$

素因数の和:59

約数の個数: 180

約数和(自身を含む): 68144076

約数和(自身を除く): 47117772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 169, 192, 208, 216, 234, 243, 256, 288, 312, 324, 338, 351, 384, 416, 432, 468, 486, 507, 512, 576, 624, 648, 676, 702, 768, 832, 864, 936, 972, 1014, 1053, 1152, 1248, 1296, 1352, 1404, 1521, 1536, 1664, 1728, 1872, 1944, 2028, 2106, 2304, 2496, 2592, 2704, 2808, 3042, 3159, 3328, 3456, 3744, 3888, 4056, 4212, 4563, 4608, 4992, 5184, 5408, 5616, 6084, 6318, 6656, 6912, 7488, 7776, 8112, 8424, 9126, 9984, 10368, 10816, 11232, 12168, 12636, 13689, 13824, 14976, 15552, 16224, 16848, 18252, 19968, 20736, 21632, 22464, 24336, 25272, 27378, 29952, 31104, 32448, 33696, 36504, 41067, 41472, 43264, 44928, 48672, 50544, 54756, 59904, 62208, 64896, 67392, 73008, 82134, 86528, 89856, 97344, 101088, 109512, 124416, 129792, 134784, 146016, 164268, 179712, 194688, 202176, 219024, 259584, 269568, 292032, 328536, 389376, 404352, 438048, 539136, 584064, 657072, 778752, 808704, 876096, 1168128, 1314144, 1617408, 1752192, 2336256, 2628288, 3504384, 5256576, 7008768, 10513152, 21026304]

約数ペア:

[(1, 21026304), (2, 10513152), (3, 7008768), (4, 5256576), (6, 3504384), (8, 2628288), (9, 2336256), (12, 1752192), (13, 1617408), (16, 1314144), (18, 1168128), (24, 876096), (26, 808704), (27, 778752), (32, 657072), (36, 584064), (39, 539136), (48, 438048), (52, 404352), (54, 389376), (64, 328536), (72, 292032), (78, 269568), (81, 259584), (96, 219024), (104, 202176), (108, 194688), (117, 179712), (128, 164268), (144, 146016), (156, 134784), (162, 129792), (169, 124416), (192, 109512), (208, 101088), (216, 97344), (234, 89856), (243, 86528), (256, 82134), (288, 73008), (312, 67392), (324, 64896), (338, 62208), (351, 59904), (384, 54756), (416, 50544), (432, 48672), (468, 44928), (486, 43264), (507, 41472), (512, 41067), (576, 36504), (624, 33696), (648, 32448), (676, 31104), (702, 29952), (768, 27378), (832, 25272), (864, 24336), (936, 22464), (972, 21632), (1014, 20736), (1053, 19968), (1152, 18252), (1248, 16848), (1296, 16224), (1352, 15552), (1404, 14976), (1521, 13824), (1536, 13689), (1664, 12636), (1728, 12168), (1872, 11232), (1944, 10816), (2028, 10368), (2106, 9984), (2304, 9126), (2496, 8424), (2592, 8112), (2704, 7776), (2808, 7488), (3042, 6912), (3159, 6656), (3328, 6318), (3456, 6084), (3744, 5616), (3888, 5408), (4056, 5184), (4212, 4992), (4563, 4608)]