21116152

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20149}}^1$

素因数の和:20286

約数の個数: 16

約数和(自身を含む): 39897000

約数和(自身を除く): 18780848

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20149, 40298, 80596, 161192, 2639519, 5279038, 10558076, 21116152]

約数ペア:

[(1, 21116152), (2, 10558076), (4, 5279038), (8, 2639519), (131, 161192), (262, 80596), (524, 40298), (1048, 20149)]