21680067136

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{16693}}^1$

素因数の和:16948

約数の個数: 112

約数和(自身を含む): 53190022144

約数和(自身を除く): 31509955008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 223, 224, 364, 416, 446, 448, 728, 832, 892, 1456, 1561, 1784, 2899, 2912, 3122, 3568, 5798, 5824, 6244, 7136, 11596, 12488, 14272, 16693, 20293, 23192, 24976, 33386, 40586, 46384, 49952, 66772, 81172, 92768, 99904, 116851, 133544, 162344, 185536, 217009, 233702, 267088, 324688, 434018, 467404, 534176, 649376, 868036, 934808, 1068352, 1298752, 1519063, 1736072, 1869616, 3038126, 3472144, 3722539, 3739232, 6076252, 6944288, 7445078, 7478464, 12152504, 13888576, 14890156, 24305008, 26057773, 29780312, 48393007, 48610016, 52115546, 59560624, 96786014, 97220032, 104231092, 119121248, 193572028, 208462184, 238242496, 338751049, 387144056, 416924368, 677502098, 774288112, 833848736, 1355004196, 1548576224, 1667697472, 2710008392, 3097152448, 5420016784, 10840033568, 21680067136]

約数ペア:

[(1, 21680067136), (2, 10840033568), (4, 5420016784), (7, 3097152448), (8, 2710008392), (13, 1667697472), (14, 1548576224), (16, 1355004196), (26, 833848736), (28, 774288112), (32, 677502098), (52, 416924368), (56, 387144056), (64, 338751049), (91, 238242496), (104, 208462184), (112, 193572028), (182, 119121248), (208, 104231092), (223, 97220032), (224, 96786014), (364, 59560624), (416, 52115546), (446, 48610016), (448, 48393007), (728, 29780312), (832, 26057773), (892, 24305008), (1456, 14890156), (1561, 13888576), (1784, 12152504), (2899, 7478464), (2912, 7445078), (3122, 6944288), (3568, 6076252), (5798, 3739232), (5824, 3722539), (6244, 3472144), (7136, 3038126), (11596, 1869616), (12488, 1736072), (14272, 1519063), (16693, 1298752), (20293, 1068352), (23192, 934808), (24976, 868036), (33386, 649376), (40586, 534176), (46384, 467404), (49952, 434018), (66772, 324688), (81172, 267088), (92768, 233702), (99904, 217009), (116851, 185536), (133544, 162344)]