21782016

素因数分解:

$2^9\times 3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 120

約数和(自身を含む): 65431080

約数和(自身を除く): 43649064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 64, 72, 87, 96, 116, 128, 144, 163, 174, 192, 232, 256, 261, 288, 326, 348, 384, 464, 489, 512, 522, 576, 652, 696, 768, 928, 978, 1044, 1152, 1304, 1392, 1467, 1536, 1856, 1956, 2088, 2304, 2608, 2784, 2934, 3712, 3912, 4176, 4608, 4727, 5216, 5568, 5868, 7424, 7824, 8352, 9454, 10432, 11136, 11736, 14181, 14848, 15648, 16704, 18908, 20864, 22272, 23472, 28362, 31296, 33408, 37816, 41728, 42543, 44544, 46944, 56724, 62592, 66816, 75632, 83456, 85086, 93888, 113448, 125184, 133632, 151264, 170172, 187776, 226896, 250368, 302528, 340344, 375552, 453792, 605056, 680688, 751104, 907584, 1210112, 1361376, 1815168, 2420224, 2722752, 3630336, 5445504, 7260672, 10891008, 21782016]

約数ペア:

[(1, 21782016), (2, 10891008), (3, 7260672), (4, 5445504), (6, 3630336), (8, 2722752), (9, 2420224), (12, 1815168), (16, 1361376), (18, 1210112), (24, 907584), (29, 751104), (32, 680688), (36, 605056), (48, 453792), (58, 375552), (64, 340344), (72, 302528), (87, 250368), (96, 226896), (116, 187776), (128, 170172), (144, 151264), (163, 133632), (174, 125184), (192, 113448), (232, 93888), (256, 85086), (261, 83456), (288, 75632), (326, 66816), (348, 62592), (384, 56724), (464, 46944), (489, 44544), (512, 42543), (522, 41728), (576, 37816), (652, 33408), (696, 31296), (768, 28362), (928, 23472), (978, 22272), (1044, 20864), (1152, 18908), (1304, 16704), (1392, 15648), (1467, 14848), (1536, 14181), (1856, 11736), (1956, 11136), (2088, 10432), (2304, 9454), (2608, 8352), (2784, 7824), (2934, 7424), (3712, 5868), (3912, 5568), (4176, 5216), (4608, 4727)]