21039438784

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{6829}}^1$

素因数の和:6907

約数の個数: 168

約数和(自身を含む): 53723905760

約数和(自身を除く): 32684466976

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 64, 91, 92, 104, 112, 161, 182, 184, 208, 224, 299, 322, 364, 368, 416, 448, 529, 598, 644, 728, 736, 832, 1058, 1196, 1288, 1456, 1472, 2093, 2116, 2392, 2576, 2912, 3703, 4186, 4232, 4784, 5152, 5824, 6829, 6877, 7406, 8372, 8464, 9568, 10304, 13658, 13754, 14812, 16744, 16928, 19136, 27316, 27508, 29624, 33488, 33856, 47803, 48139, 54632, 55016, 59248, 66976, 88777, 95606, 96278, 109264, 110032, 118496, 133952, 157067, 177554, 191212, 192556, 218528, 220064, 236992, 314134, 355108, 382424, 385112, 437056, 440128, 621439, 628268, 710216, 764848, 770224, 1099469, 1242878, 1256536, 1420432, 1529696, 1540448, 2041871, 2198938, 2485756, 2513072, 2840864, 3059392, 3080896, 3612541, 4083742, 4397876, 4971512, 5026144, 5681728, 7225082, 8167484, 8795752, 9943024, 10052288, 14293097, 14450164, 16334968, 17591504, 19886048, 25287787, 28586194, 28900328, 32669936, 35183008, 39772096, 46963033, 50575574, 57172388, 57800656, 65339872, 70366016, 93926066, 101151148, 114344776, 115601312, 130679744, 187852132, 202302296, 228689552, 231202624, 328741231, 375704264, 404604592, 457379104, 657482462, 751408528, 809209184, 914758208, 1314964924, 1502817056, 1618418368, 2629929848, 3005634112, 5259859696, 10519719392, 21039438784]

約数ペア:

[(1, 21039438784), (2, 10519719392), (4, 5259859696), (7, 3005634112), (8, 2629929848), (13, 1618418368), (14, 1502817056), (16, 1314964924), (23, 914758208), (26, 809209184), (28, 751408528), (32, 657482462), (46, 457379104), (52, 404604592), (56, 375704264), (64, 328741231), (91, 231202624), (92, 228689552), (104, 202302296), (112, 187852132), (161, 130679744), (182, 115601312), (184, 114344776), (208, 101151148), (224, 93926066), (299, 70366016), (322, 65339872), (364, 57800656), (368, 57172388), (416, 50575574), (448, 46963033), (529, 39772096), (598, 35183008), (644, 32669936), (728, 28900328), (736, 28586194), (832, 25287787), (1058, 19886048), (1196, 17591504), (1288, 16334968), (1456, 14450164), (1472, 14293097), (2093, 10052288), (2116, 9943024), (2392, 8795752), (2576, 8167484), (2912, 7225082), (3703, 5681728), (4186, 5026144), (4232, 4971512), (4784, 4397876), (5152, 4083742), (5824, 3612541), (6829, 3080896), (6877, 3059392), (7406, 2840864), (8372, 2513072), (8464, 2485756), (9568, 2198938), (10304, 2041871), (13658, 1540448), (13754, 1529696), (14812, 1420432), (16744, 1256536), (16928, 1242878), (19136, 1099469), (27316, 770224), (27508, 764848), (29624, 710216), (33488, 628268), (33856, 621439), (47803, 440128), (48139, 437056), (54632, 385112), (55016, 382424), (59248, 355108), (66976, 314134), (88777, 236992), (95606, 220064), (96278, 218528), (109264, 192556), (110032, 191212), (118496, 177554), (133952, 157067)]