21296359

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9419}}^1$

素因数の和:9462

約数の個数: 16

約数和(自身を含む): 27129600

約数和(自身を除く): 5833241

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 9419, 65933, 160123, 178961, 1120861, 1252727, 3042337, 21296359]

約数ペア:

[(1, 21296359), (7, 3042337), (17, 1252727), (19, 1120861), (119, 178961), (133, 160123), (323, 65933), (2261, 9419)]