21655497

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5351}}^1$

素因数の和:5444

約数の個数: 16

約数和(自身を含む): 30827520

約数和(自身を除く): 9172023

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5351, 16053, 101669, 305007, 379921, 1139763, 7218499, 21655497]

約数ペア:

[(1, 21655497), (3, 7218499), (19, 1139763), (57, 379921), (71, 305007), (213, 101669), (1349, 16053), (4047, 5351)]