2221167208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{21357377}}^1$

素因数の和:21357396

約数の個数: 16

約数和(自身を含む): 4485049380

約数和(自身を除く): 2263882172

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 21357377, 42714754, 85429508, 170859016, 277645901, 555291802, 1110583604, 2221167208]

約数ペア:

[(1, 2221167208), (2, 1110583604), (4, 555291802), (8, 277645901), (13, 170859016), (26, 85429508), (52, 42714754), (104, 21357377)]