21204184

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{20233}}^1$

素因数の和:20370

約数の個数: 16

約数和(自身を含む): 40063320

約数和(自身を除く): 18859136

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 20233, 40466, 80932, 161864, 2650523, 5301046, 10602092, 21204184]

約数ペア:

[(1, 21204184), (2, 10602092), (4, 5301046), (8, 2650523), (131, 161864), (262, 80932), (524, 40466), (1048, 20233)]