21241036795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{201251}}^1$

素因数の和:201387

約数の個数: 32

約数和(自身を含む): 29559893760

約数和(自身を除く): 8318856965

約数列:

[1, 5, 11, 19, 55, 95, 101, 209, 505, 1045, 1111, 1919, 5555, 9595, 21109, 105545, 201251, 1006255, 2213761, 3823769, 11068805, 19118845, 20326351, 42061459, 101631755, 210307295, 223589861, 386200669, 1117949305, 1931003345, 4248207359, 21241036795]

約数ペア:

[(1, 21241036795), (5, 4248207359), (11, 1931003345), (19, 1117949305), (55, 386200669), (95, 223589861), (101, 210307295), (209, 101631755), (505, 42061459), (1045, 20326351), (1111, 19118845), (1919, 11068805), (5555, 3823769), (9595, 2213761), (21109, 1006255), (105545, 201251)]