21275778885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{779761}}^1$

素因数の和:779893

約数の個数: 32

約数和(自身を含む): 36380575872

約数和(自身を除く): 15104796987

約数列:

[1, 3, 5, 15, 17, 51, 85, 107, 255, 321, 535, 1605, 1819, 5457, 9095, 27285, 779761, 2339283, 3898805, 11696415, 13255937, 39767811, 66279685, 83434427, 198839055, 250303281, 417172135, 1251516405, 1418385259, 4255155777, 7091926295, 21275778885]

約数ペア:

[(1, 21275778885), (3, 7091926295), (5, 4255155777), (15, 1418385259), (17, 1251516405), (51, 417172135), (85, 250303281), (107, 198839055), (255, 83434427), (321, 66279685), (535, 39767811), (1605, 13255937), (1819, 11696415), (5457, 3898805), (9095, 2339283), (27285, 779761)]