21590688

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 69128640

約数和(自身を除く): 47537952

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 76, 84, 89, 96, 112, 114, 133, 152, 168, 178, 224, 228, 266, 267, 304, 336, 356, 361, 399, 456, 532, 534, 608, 623, 672, 712, 722, 798, 912, 1064, 1068, 1083, 1246, 1424, 1444, 1596, 1691, 1824, 1869, 2128, 2136, 2166, 2492, 2527, 2848, 2888, 3192, 3382, 3738, 4256, 4272, 4332, 4984, 5054, 5073, 5776, 6384, 6764, 7476, 7581, 8544, 8664, 9968, 10108, 10146, 11552, 11837, 12768, 13528, 14952, 15162, 17328, 19936, 20216, 20292, 23674, 27056, 29904, 30324, 32129, 34656, 35511, 40432, 40584, 47348, 54112, 59808, 60648, 64258, 71022, 80864, 81168, 94696, 96387, 121296, 128516, 142044, 162336, 189392, 192774, 224903, 242592, 257032, 284088, 378784, 385548, 449806, 514064, 568176, 674709, 771096, 899612, 1028128, 1136352, 1349418, 1542192, 1799224, 2698836, 3084384, 3598448, 5397672, 7196896, 10795344, 21590688]

約数ペア:

[(1, 21590688), (2, 10795344), (3, 7196896), (4, 5397672), (6, 3598448), (7, 3084384), (8, 2698836), (12, 1799224), (14, 1542192), (16, 1349418), (19, 1136352), (21, 1028128), (24, 899612), (28, 771096), (32, 674709), (38, 568176), (42, 514064), (48, 449806), (56, 385548), (57, 378784), (76, 284088), (84, 257032), (89, 242592), (96, 224903), (112, 192774), (114, 189392), (133, 162336), (152, 142044), (168, 128516), (178, 121296), (224, 96387), (228, 94696), (266, 81168), (267, 80864), (304, 71022), (336, 64258), (356, 60648), (361, 59808), (399, 54112), (456, 47348), (532, 40584), (534, 40432), (608, 35511), (623, 34656), (672, 32129), (712, 30324), (722, 29904), (798, 27056), (912, 23674), (1064, 20292), (1068, 20216), (1083, 19936), (1246, 17328), (1424, 15162), (1444, 14952), (1596, 13528), (1691, 12768), (1824, 11837), (1869, 11552), (2128, 10146), (2136, 10108), (2166, 9968), (2492, 8664), (2527, 8544), (2848, 7581), (2888, 7476), (3192, 6764), (3382, 6384), (3738, 5776), (4256, 5073), (4272, 5054), (4332, 4984)]