21407078784

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{612611}}^1$

素因数の和:612648

約数の個数: 128

約数和(自身を含む): 69984794880

約数和(自身を除く): 48577716096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 64, 78, 84, 91, 96, 104, 112, 128, 156, 168, 182, 192, 208, 224, 273, 312, 336, 364, 384, 416, 448, 546, 624, 672, 728, 832, 896, 1092, 1248, 1344, 1456, 1664, 2184, 2496, 2688, 2912, 4368, 4992, 5824, 8736, 11648, 17472, 34944, 612611, 1225222, 1837833, 2450444, 3675666, 4288277, 4900888, 7351332, 7963943, 8576554, 9801776, 12864831, 14702664, 15927886, 17153108, 19603552, 23891829, 25729662, 29405328, 31855772, 34306216, 39207104, 47783658, 51459324, 55747601, 58810656, 63711544, 68612432, 78414208, 95567316, 102918648, 111495202, 117621312, 127423088, 137224864, 167242803, 191134632, 205837296, 222990404, 235242624, 254846176, 274449728, 334485606, 382269264, 411674592, 445980808, 509692352, 548899456, 668971212, 764538528, 823349184, 891961616, 1019384704, 1337942424, 1529077056, 1646698368, 1783923232, 2675884848, 3058154112, 3567846464, 5351769696, 7135692928, 10703539392, 21407078784]

約数ペア:

[(1, 21407078784), (2, 10703539392), (3, 7135692928), (4, 5351769696), (6, 3567846464), (7, 3058154112), (8, 2675884848), (12, 1783923232), (13, 1646698368), (14, 1529077056), (16, 1337942424), (21, 1019384704), (24, 891961616), (26, 823349184), (28, 764538528), (32, 668971212), (39, 548899456), (42, 509692352), (48, 445980808), (52, 411674592), (56, 382269264), (64, 334485606), (78, 274449728), (84, 254846176), (91, 235242624), (96, 222990404), (104, 205837296), (112, 191134632), (128, 167242803), (156, 137224864), (168, 127423088), (182, 117621312), (192, 111495202), (208, 102918648), (224, 95567316), (273, 78414208), (312, 68612432), (336, 63711544), (364, 58810656), (384, 55747601), (416, 51459324), (448, 47783658), (546, 39207104), (624, 34306216), (672, 31855772), (728, 29405328), (832, 25729662), (896, 23891829), (1092, 19603552), (1248, 17153108), (1344, 15927886), (1456, 14702664), (1664, 12864831), (2184, 9801776), (2496, 8576554), (2688, 7963943), (2912, 7351332), (4368, 4900888), (4992, 4288277), (5824, 3675666), (8736, 2450444), (11648, 1837833), (17472, 1225222), (34944, 612611)]