21797199

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3109}}^1$

素因数の和:3175

約数の個数: 24

約数和(自身を含む): 33961200

約数和(自身を除く): 12164001

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 3109, 7011, 9327, 27981, 59071, 127469, 177213, 382407, 531639, 1147221, 2421911, 7265733, 21797199]

約数ペア:

[(1, 21797199), (3, 7265733), (9, 2421911), (19, 1147221), (41, 531639), (57, 382407), (123, 177213), (171, 127469), (369, 59071), (779, 27981), (2337, 9327), (3109, 7011)]