21682287

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11527}}^1$

素因数の和:11563

約数の個数: 24

約数和(自身を含む): 35967360

約数和(自身を除く): 14285073

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 11527, 34581, 103743, 126797, 219013, 380391, 657039, 1141173, 1971117, 2409143, 7227429, 21682287]

約数ペア:

[(1, 21682287), (3, 7227429), (9, 2409143), (11, 1971117), (19, 1141173), (33, 657039), (57, 380391), (99, 219013), (171, 126797), (209, 103743), (627, 34581), (1881, 11527)]