21761479

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 24559200

約数和(自身を除く): 2797721

約数列:

[1, 17, 19, 89, 323, 757, 1513, 1691, 12869, 14383, 28747, 67373, 244511, 1145341, 1280087, 21761479]

約数ペア:

[(1, 21761479), (17, 1280087), (19, 1145341), (89, 244511), (323, 67373), (757, 28747), (1513, 14383), (1691, 12869)]