21382959

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3631}}^1$

素因数の和:3798

約数の個数: 16

約数和(自身を含む): 30915584

約数和(自身を除く): 9532625

約数列:

[1, 3, 13, 39, 151, 453, 1963, 3631, 5889, 10893, 47203, 141609, 548281, 1644843, 7127653, 21382959]

約数ペア:

[(1, 21382959), (3, 7127653), (13, 1644843), (39, 548281), (151, 141609), (453, 47203), (1963, 10893), (3631, 5889)]