21198269

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{617}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 23493888

約数和(自身を除く): 2295619

約数列:

[1, 17, 43, 47, 617, 731, 799, 2021, 10489, 26531, 28999, 34357, 451027, 492983, 1246957, 21198269]

約数ペア:

[(1, 21198269), (17, 1246957), (43, 492983), (47, 451027), (617, 34357), (731, 28999), (799, 26531), (2021, 10489)]