16921465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{857}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 22239360

約数和(自身を除く): 5317895

約数列:

[1, 5, 11, 55, 359, 857, 1795, 3949, 4285, 9427, 19745, 47135, 307663, 1538315, 3384293, 16921465]

約数ペア:

[(1, 16921465), (5, 3384293), (11, 1538315), (55, 307663), (359, 47135), (857, 19745), (1795, 9427), (3949, 4285)]