21281955768

素因数分解:

$2^3\times 3^3\times {\mathrm{9007}}^1\times {\mathrm{10939}}^1$

素因数の和:19961

約数の個数: 64

約数和(自身を含む): 59128512000

約数和(自身を除く): 37846556232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 9007, 10939, 18014, 21878, 27021, 32817, 36028, 43756, 54042, 65634, 72056, 81063, 87512, 98451, 108084, 131268, 162126, 196902, 216168, 243189, 262536, 295353, 324252, 393804, 486378, 590706, 648504, 787608, 972756, 1181412, 1945512, 2362824, 98527573, 197055146, 295582719, 394110292, 591165438, 788220584, 886748157, 1182330876, 1773496314, 2364661752, 2660244471, 3546992628, 5320488942, 7093985256, 10640977884, 21281955768]

約数ペア:

[(1, 21281955768), (2, 10640977884), (3, 7093985256), (4, 5320488942), (6, 3546992628), (8, 2660244471), (9, 2364661752), (12, 1773496314), (18, 1182330876), (24, 886748157), (27, 788220584), (36, 591165438), (54, 394110292), (72, 295582719), (108, 197055146), (216, 98527573), (9007, 2362824), (10939, 1945512), (18014, 1181412), (21878, 972756), (27021, 787608), (32817, 648504), (36028, 590706), (43756, 486378), (54042, 393804), (65634, 324252), (72056, 295353), (81063, 262536), (87512, 243189), (98451, 216168), (108084, 196902), (131268, 162126)]