21608469795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{167683}}^1$

素因数の和:167784

約数の個数: 48

約数和(自身を含む): 38537807616

約数和(自身を除く): 16929337821

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 121, 165, 213, 355, 363, 605, 781, 1065, 1815, 2343, 3905, 8591, 11715, 25773, 42955, 128865, 167683, 503049, 838415, 1844513, 2515245, 5533539, 9222565, 11905493, 20289643, 27667695, 35716479, 59527465, 60868929, 101448215, 130960423, 178582395, 304344645, 392881269, 654802115, 1440564653, 1964406345, 4321693959, 7202823265, 21608469795]

約数ペア:

[(1, 21608469795), (3, 7202823265), (5, 4321693959), (11, 1964406345), (15, 1440564653), (33, 654802115), (55, 392881269), (71, 304344645), (121, 178582395), (165, 130960423), (213, 101448215), (355, 60868929), (363, 59527465), (605, 35716479), (781, 27667695), (1065, 20289643), (1815, 11905493), (2343, 9222565), (3905, 5533539), (8591, 2515245), (11715, 1844513), (25773, 838415), (42955, 503049), (128865, 167683)]