21000492008

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{31627247}}^1$

素因数の和:31627336

約数の個数: 16

約数和(自身を含む): 39850332480

約数和(自身を除く): 18849840472

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 31627247, 63254494, 126508988, 253017976, 2625061501, 5250123002, 10500246004, 21000492008]

約数ペア:

[(1, 21000492008), (2, 10500246004), (4, 5250123002), (8, 2625061501), (83, 253017976), (166, 126508988), (332, 63254494), (664, 31627247)]