21724277

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 23976000

約数和(自身を除く): 2251723

約数列:

[1, 19, 29, 89, 443, 551, 1691, 2581, 8417, 12847, 39427, 49039, 244093, 749113, 1143383, 21724277]

約数ペア:

[(1, 21724277), (19, 1143383), (29, 749113), (89, 244093), (443, 49039), (551, 39427), (1691, 12847), (2581, 8417)]