21137846884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1024319}}^1$

素因数の和:1024408

約数の個数: 48

約数和(自身を含む): 46807326720

約数和(自身を除く): 25669479836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 1474, 1876, 2948, 5159, 10318, 20636, 1024319, 2048638, 4097276, 7170233, 11267509, 14340466, 22535018, 28680932, 45070036, 68629373, 78872563, 137258746, 157745126, 274517492, 315490252, 480405611, 754923103, 960811222, 1509846206, 1921622444, 3019692412, 5284461721, 10568923442, 21137846884]

約数ペア:

[(1, 21137846884), (2, 10568923442), (4, 5284461721), (7, 3019692412), (11, 1921622444), (14, 1509846206), (22, 960811222), (28, 754923103), (44, 480405611), (67, 315490252), (77, 274517492), (134, 157745126), (154, 137258746), (268, 78872563), (308, 68629373), (469, 45070036), (737, 28680932), (938, 22535018), (1474, 14340466), (1876, 11267509), (2948, 7170233), (5159, 4097276), (10318, 2048638), (20636, 1024319)]