21499691136

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3691}}^1$

素因数の和:3923

約数の個数: 256

約数和(自身を含む): 71581086720

約数和(自身を除く): 50081395584

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 197, 224, 231, 264, 308, 336, 352, 384, 394, 448, 462, 528, 591, 616, 672, 704, 788, 896, 924, 1056, 1182, 1232, 1344, 1379, 1408, 1576, 1848, 2112, 2167, 2364, 2464, 2688, 2758, 3152, 3691, 3696, 4137, 4224, 4334, 4728, 4928, 5516, 6304, 6501, 7382, 7392, 8274, 8668, 9456, 9856, 11032, 11073, 12608, 13002, 14764, 14784, 15169, 16548, 17336, 18912, 22064, 22146, 25216, 25837, 26004, 29528, 29568, 30338, 33096, 34672, 37824, 40601, 44128, 44292, 45507, 51674, 52008, 59056, 60676, 66192, 69344, 75648, 77511, 81202, 88256, 88584, 91014, 103348, 104016, 118112, 121352, 121803, 132384, 138688, 155022, 162404, 176512, 177168, 182028, 206696, 208032, 236224, 242704, 243606, 264768, 277376, 284207, 310044, 324808, 354336, 364056, 413392, 416064, 472448, 485408, 487212, 529536, 568414, 620088, 649616, 708672, 727127, 728112, 826784, 832128, 852621, 970816, 974424, 1136828, 1240176, 1299232, 1417344, 1454254, 1456224, 1653568, 1705242, 1941632, 1948848, 2181381, 2273656, 2480352, 2598464, 2908508, 2912448, 3307136, 3410484, 3897696, 4362762, 4547312, 4960704, 5089889, 5196928, 5817016, 5824896, 6820968, 7795392, 7998397, 8725524, 9094624, 9921408, 10179778, 11634032, 13641936, 15269667, 15590784, 15996794, 17451048, 18189248, 20359556, 23268064, 23995191, 27283872, 30539334, 31993588, 34902096, 36378496, 40719112, 46536128, 47990382, 54567744, 55988779, 61078668, 63987176, 69804192, 81438224, 93072256, 95980764, 109135488, 111977558, 122157336, 127974352, 139608384, 162876448, 167966337, 191961528, 223955116, 244314672, 255948704, 279216768, 325752896, 335932674, 383923056, 447910232, 488629344, 511897408, 651505792, 671865348, 767846112, 895820464, 977258688, 1023794816, 1343730696, 1535692224, 1791640928, 1954517376, 2687461392, 3071384448, 3583281856, 5374922784, 7166563712, 10749845568, 21499691136]

約数ペア:

[(1, 21499691136), (2, 10749845568), (3, 7166563712), (4, 5374922784), (6, 3583281856), (7, 3071384448), (8, 2687461392), (11, 1954517376), (12, 1791640928), (14, 1535692224), (16, 1343730696), (21, 1023794816), (22, 977258688), (24, 895820464), (28, 767846112), (32, 671865348), (33, 651505792), (42, 511897408), (44, 488629344), (48, 447910232), (56, 383923056), (64, 335932674), (66, 325752896), (77, 279216768), (84, 255948704), (88, 244314672), (96, 223955116), (112, 191961528), (128, 167966337), (132, 162876448), (154, 139608384), (168, 127974352), (176, 122157336), (192, 111977558), (197, 109135488), (224, 95980764), (231, 93072256), (264, 81438224), (308, 69804192), (336, 63987176), (352, 61078668), (384, 55988779), (394, 54567744), (448, 47990382), (462, 46536128), (528, 40719112), (591, 36378496), (616, 34902096), (672, 31993588), (704, 30539334), (788, 27283872), (896, 23995191), (924, 23268064), (1056, 20359556), (1182, 18189248), (1232, 17451048), (1344, 15996794), (1379, 15590784), (1408, 15269667), (1576, 13641936), (1848, 11634032), (2112, 10179778), (2167, 9921408), (2364, 9094624), (2464, 8725524), (2688, 7998397), (2758, 7795392), (3152, 6820968), (3691, 5824896), (3696, 5817016), (4137, 5196928), (4224, 5089889), (4334, 4960704), (4728, 4547312), (4928, 4362762), (5516, 3897696), (6304, 3410484), (6501, 3307136), (7382, 2912448), (7392, 2908508), (8274, 2598464), (8668, 2480352), (9456, 2273656), (9856, 2181381), (11032, 1948848), (11073, 1941632), (12608, 1705242), (13002, 1653568), (14764, 1456224), (14784, 1454254), (15169, 1417344), (16548, 1299232), (17336, 1240176), (18912, 1136828), (22064, 974424), (22146, 970816), (25216, 852621), (25837, 832128), (26004, 826784), (29528, 728112), (29568, 727127), (30338, 708672), (33096, 649616), (34672, 620088), (37824, 568414), (40601, 529536), (44128, 487212), (44292, 485408), (45507, 472448), (51674, 416064), (52008, 413392), (59056, 364056), (60676, 354336), (66192, 324808), (69344, 310044), (75648, 284207), (77511, 277376), (81202, 264768), (88256, 243606), (88584, 242704), (91014, 236224), (103348, 208032), (104016, 206696), (118112, 182028), (121352, 177168), (121803, 176512), (132384, 162404), (138688, 155022)]