21509980416

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{301159}}^1$

素因数の和:301212

約数の個数: 108

約数和(自身を含む): 64019388160

約数和(自身を除く): 42509407744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1984, 2232, 2304, 2976, 3968, 4464, 5952, 7936, 8928, 11904, 17856, 23808, 35712, 71424, 301159, 602318, 903477, 1204636, 1806954, 2409272, 2710431, 3613908, 4818544, 5420862, 7227816, 9335929, 9637088, 10841724, 14455632, 18671858, 19274176, 21683448, 28007787, 28911264, 37343716, 38548352, 43366896, 56015574, 57822528, 74687432, 77096704, 84023361, 86733792, 112031148, 115645056, 149374864, 168046722, 173467584, 224062296, 231290112, 298749728, 336093444, 346935168, 448124592, 597499456, 672186888, 693870336, 896249184, 1194998912, 1344373776, 1792498368, 2389997824, 2688747552, 3584996736, 5377495104, 7169993472, 10754990208, 21509980416]

約数ペア:

[(1, 21509980416), (2, 10754990208), (3, 7169993472), (4, 5377495104), (6, 3584996736), (8, 2688747552), (9, 2389997824), (12, 1792498368), (16, 1344373776), (18, 1194998912), (24, 896249184), (31, 693870336), (32, 672186888), (36, 597499456), (48, 448124592), (62, 346935168), (64, 336093444), (72, 298749728), (93, 231290112), (96, 224062296), (124, 173467584), (128, 168046722), (144, 149374864), (186, 115645056), (192, 112031148), (248, 86733792), (256, 84023361), (279, 77096704), (288, 74687432), (372, 57822528), (384, 56015574), (496, 43366896), (558, 38548352), (576, 37343716), (744, 28911264), (768, 28007787), (992, 21683448), (1116, 19274176), (1152, 18671858), (1488, 14455632), (1984, 10841724), (2232, 9637088), (2304, 9335929), (2976, 7227816), (3968, 5420862), (4464, 4818544), (5952, 3613908), (7936, 2710431), (8928, 2409272), (11904, 1806954), (17856, 1204636), (23808, 903477), (35712, 602318), (71424, 301159)]