21604568

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{32537}}^1$

素因数の和:32626

約数の個数: 16

約数和(自身を含む): 40997880

約数和(自身を除く): 19393312

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 32537, 65074, 130148, 260296, 2700571, 5401142, 10802284, 21604568]

約数ペア:

[(1, 21604568), (2, 10802284), (4, 5401142), (8, 2700571), (83, 260296), (166, 130148), (332, 65074), (664, 32537)]