21158829

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{3373}}^1$

素因数の和:3437

約数の個数: 24

約数和(自身を含む): 33159672

約数和(自身を除く): 12000843

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 697, 2091, 3373, 6273, 10119, 30357, 57341, 138293, 172023, 414879, 516069, 1244637, 2350981, 7052943, 21158829]

約数ペア:

[(1, 21158829), (3, 7052943), (9, 2350981), (17, 1244637), (41, 516069), (51, 414879), (123, 172023), (153, 138293), (369, 57341), (697, 30357), (2091, 10119), (3373, 6273)]