210886921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{41213}}^1$

素因数の和:41280

約数の個数: 16

約数和(自身を含む): 261131904

約数和(自身を除く): 50244983

約数列:

[1, 7, 17, 43, 119, 301, 731, 5117, 41213, 288491, 700621, 1772159, 4904347, 12405113, 30126703, 210886921]

約数ペア:

[(1, 210886921), (7, 30126703), (17, 12405113), (43, 4904347), (119, 1772159), (301, 700621), (731, 288491), (5117, 41213)]