21543069

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{863}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 29486592

約数和(自身を除く): 7943523

約数列:

[1, 3, 53, 157, 159, 471, 863, 2589, 8321, 24963, 45739, 135491, 137217, 406473, 7181023, 21543069]

約数ペア:

[(1, 21543069), (3, 7181023), (53, 406473), (157, 137217), (159, 135491), (471, 45739), (863, 24963), (2589, 8321)]