21382647

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49843}}^1$

素因数の和:49870

約数の個数: 16

約数和(自身を含む): 33495168

約数和(自身を除く): 12112521

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49843, 149529, 548273, 647959, 1644819, 1943877, 7127549, 21382647]

約数ペア:

[(1, 21382647), (3, 7127549), (11, 1943877), (13, 1644819), (33, 647959), (39, 548273), (143, 149529), (429, 49843)]