21290761856

素因数分解:

$2^7\times 7^4\times {\mathrm{13}}^1\times {\mathrm{73}}^2$

素因数の和:201

約数の個数: 240

約数和(自身を含む): 54027676710

約数和(自身を除く): 32736914854

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 73, 91, 98, 104, 112, 128, 146, 182, 196, 208, 224, 292, 343, 364, 392, 416, 448, 511, 584, 637, 686, 728, 784, 832, 896, 949, 1022, 1168, 1274, 1372, 1456, 1568, 1664, 1898, 2044, 2336, 2401, 2548, 2744, 2912, 3136, 3577, 3796, 4088, 4459, 4672, 4802, 5096, 5329, 5488, 5824, 6272, 6643, 7154, 7592, 8176, 8918, 9344, 9604, 10192, 10658, 10976, 11648, 13286, 14308, 15184, 16352, 17836, 19208, 20384, 21316, 21952, 25039, 26572, 28616, 30368, 31213, 32704, 35672, 37303, 38416, 40768, 42632, 43904, 46501, 50078, 53144, 57232, 60736, 62426, 65408, 69277, 71344, 74606, 76832, 81536, 85264, 93002, 100156, 106288, 114464, 121472, 124852, 138554, 142688, 149212, 153664, 170528, 175273, 186004, 200312, 212576, 228928, 249704, 261121, 277108, 285376, 298424, 307328, 325507, 341056, 350546, 372008, 400624, 425152, 457856, 484939, 499408, 522242, 554216, 570752, 596848, 651014, 682112, 701092, 744016, 801248, 850304, 969878, 998816, 1044484, 1108432, 1193696, 1302028, 1402184, 1488032, 1602496, 1827847, 1939756, 1997632, 2088968, 2216864, 2278549, 2387392, 2604056, 2804368, 2976064, 3204992, 3394573, 3655694, 3879512, 3995264, 4177936, 4433728, 4557098, 4774784, 5208112, 5608736, 5952128, 6789146, 7311388, 7759024, 8355872, 8867456, 9114196, 10416224, 11217472, 12794929, 13578292, 14622776, 15518048, 16711744, 18228392, 20832448, 22434944, 23762011, 25589858, 27156584, 29245552, 31036096, 33423488, 36456784, 41664896, 47524022, 51179716, 54313168, 58491104, 62072192, 72913568, 95048044, 102359432, 108626336, 116982208, 145827136, 166334077, 190096088, 204718864, 217252672, 233964416, 291654272, 332668154, 380192176, 409437728, 434505344, 665336308, 760384352, 818875456, 1330672616, 1520768704, 1637750912, 2661345232, 3041537408, 5322690464, 10645380928, 21290761856]

約数ペア:

[(1, 21290761856), (2, 10645380928), (4, 5322690464), (7, 3041537408), (8, 2661345232), (13, 1637750912), (14, 1520768704), (16, 1330672616), (26, 818875456), (28, 760384352), (32, 665336308), (49, 434505344), (52, 409437728), (56, 380192176), (64, 332668154), (73, 291654272), (91, 233964416), (98, 217252672), (104, 204718864), (112, 190096088), (128, 166334077), (146, 145827136), (182, 116982208), (196, 108626336), (208, 102359432), (224, 95048044), (292, 72913568), (343, 62072192), (364, 58491104), (392, 54313168), (416, 51179716), (448, 47524022), (511, 41664896), (584, 36456784), (637, 33423488), (686, 31036096), (728, 29245552), (784, 27156584), (832, 25589858), (896, 23762011), (949, 22434944), (1022, 20832448), (1168, 18228392), (1274, 16711744), (1372, 15518048), (1456, 14622776), (1568, 13578292), (1664, 12794929), (1898, 11217472), (2044, 10416224), (2336, 9114196), (2401, 8867456), (2548, 8355872), (2744, 7759024), (2912, 7311388), (3136, 6789146), (3577, 5952128), (3796, 5608736), (4088, 5208112), (4459, 4774784), (4672, 4557098), (4802, 4433728), (5096, 4177936), (5329, 3995264), (5488, 3879512), (5824, 3655694), (6272, 3394573), (6643, 3204992), (7154, 2976064), (7592, 2804368), (8176, 2604056), (8918, 2387392), (9344, 2278549), (9604, 2216864), (10192, 2088968), (10658, 1997632), (10976, 1939756), (11648, 1827847), (13286, 1602496), (14308, 1488032), (15184, 1402184), (16352, 1302028), (17836, 1193696), (19208, 1108432), (20384, 1044484), (21316, 998816), (21952, 969878), (25039, 850304), (26572, 801248), (28616, 744016), (30368, 701092), (31213, 682112), (32704, 651014), (35672, 596848), (37303, 570752), (38416, 554216), (40768, 522242), (42632, 499408), (43904, 484939), (46501, 457856), (50078, 425152), (53144, 400624), (57232, 372008), (60736, 350546), (62426, 341056), (65408, 325507), (69277, 307328), (71344, 298424), (74606, 285376), (76832, 277108), (81536, 261121), (85264, 249704), (93002, 228928), (100156, 212576), (106288, 200312), (114464, 186004), (121472, 175273), (124852, 170528), (138554, 153664), (142688, 149212)]