21068169

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{4153}}^1$

素因数の和:4264

約数の個数: 16

約数和(自身を含む): 29908800

約数和(自身を除く): 8840631

約数列:

[1, 3, 19, 57, 89, 267, 1691, 4153, 5073, 12459, 78907, 236721, 369617, 1108851, 7022723, 21068169]

約数ペア:

[(1, 21068169), (3, 7022723), (19, 1108851), (57, 369617), (89, 236721), (267, 78907), (1691, 12459), (4153, 5073)]