21802605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{132137}}^1$

素因数の和:132156

約数の個数: 16

約数和(自身を含む): 38055744

約数和(自身を除く): 16253139

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 132137, 396411, 660685, 1453507, 1982055, 4360521, 7267535, 21802605]

約数ペア:

[(1, 21802605), (3, 7267535), (5, 4360521), (11, 1982055), (15, 1453507), (33, 660685), (55, 396411), (165, 132137)]