21303533

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:404

約数の個数: 16

約数和(自身を含む): 23354496

約数和(自身を除く): 2050963

約数列:

[1, 17, 43, 151, 193, 731, 2567, 3281, 6493, 8299, 29143, 110381, 141083, 495431, 1253149, 21303533]

約数ペア:

[(1, 21303533), (17, 1253149), (43, 495431), (151, 141083), (193, 110381), (731, 29143), (2567, 8299), (3281, 6493)]