21171239488

素因数分解:

$2^6\times 7^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{601}}^1$

素因数の和:913

約数の個数: 168

約数和(自身を含む): 50202754560

約数和(自身を除く): 29031515072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 64, 94, 98, 112, 188, 196, 224, 239, 329, 376, 392, 448, 478, 601, 658, 752, 784, 956, 1202, 1316, 1504, 1568, 1673, 1912, 2303, 2404, 2632, 3008, 3136, 3346, 3824, 4207, 4606, 4808, 5264, 6692, 7648, 8414, 9212, 9616, 10528, 11233, 11711, 13384, 15296, 16828, 18424, 19232, 21056, 22466, 23422, 26768, 28247, 29449, 33656, 36848, 38464, 44932, 46844, 53536, 56494, 58898, 67312, 73696, 78631, 89864, 93688, 107072, 112988, 117796, 134624, 143639, 147392, 157262, 179728, 187376, 197729, 225976, 235592, 269248, 287278, 314524, 359456, 374752, 395458, 451952, 471184, 550417, 574556, 629048, 718912, 749504, 790916, 903904, 942368, 1005473, 1100834, 1149112, 1258096, 1384103, 1581832, 1807808, 1884736, 2010946, 2201668, 2298224, 2516192, 2768206, 3163664, 4021892, 4403336, 4596448, 5032384, 5536412, 6327328, 6751033, 7038311, 8043784, 8806672, 9192896, 11072824, 12654656, 13502066, 14076622, 16087568, 17613344, 22145648, 27004132, 28153244, 32175136, 35226688, 44291296, 47257231, 54008264, 56306488, 64350272, 88582592, 94514462, 108016528, 112612976, 189028924, 216033056, 225225952, 330800617, 378057848, 432066112, 450451904, 661601234, 756115696, 1323202468, 1512231392, 2646404936, 3024462784, 5292809872, 10585619744, 21171239488]

約数ペア:

[(1, 21171239488), (2, 10585619744), (4, 5292809872), (7, 3024462784), (8, 2646404936), (14, 1512231392), (16, 1323202468), (28, 756115696), (32, 661601234), (47, 450451904), (49, 432066112), (56, 378057848), (64, 330800617), (94, 225225952), (98, 216033056), (112, 189028924), (188, 112612976), (196, 108016528), (224, 94514462), (239, 88582592), (329, 64350272), (376, 56306488), (392, 54008264), (448, 47257231), (478, 44291296), (601, 35226688), (658, 32175136), (752, 28153244), (784, 27004132), (956, 22145648), (1202, 17613344), (1316, 16087568), (1504, 14076622), (1568, 13502066), (1673, 12654656), (1912, 11072824), (2303, 9192896), (2404, 8806672), (2632, 8043784), (3008, 7038311), (3136, 6751033), (3346, 6327328), (3824, 5536412), (4207, 5032384), (4606, 4596448), (4808, 4403336), (5264, 4021892), (6692, 3163664), (7648, 2768206), (8414, 2516192), (9212, 2298224), (9616, 2201668), (10528, 2010946), (11233, 1884736), (11711, 1807808), (13384, 1581832), (15296, 1384103), (16828, 1258096), (18424, 1149112), (19232, 1100834), (21056, 1005473), (22466, 942368), (23422, 903904), (26768, 790916), (28247, 749504), (29449, 718912), (33656, 629048), (36848, 574556), (38464, 550417), (44932, 471184), (46844, 451952), (53536, 395458), (56494, 374752), (58898, 359456), (67312, 314524), (73696, 287278), (78631, 269248), (89864, 235592), (93688, 225976), (107072, 197729), (112988, 187376), (117796, 179728), (134624, 157262), (143639, 147392)]