21304800460

素因数分解:

$2^2\times 5^1\times {\mathrm{1065240023}}^1$

素因数の和:1065240032

約数の個数: 12

約数和(自身を含む): 44740081008

約数和(自身を除く): 23435280548

約数列:

[1, 2, 4, 5, 10, 20, 1065240023, 2130480046, 4260960092, 5326200115, 10652400230, 21304800460]

約数ペア:

[(1, 21304800460), (2, 10652400230), (4, 5326200115), (5, 4260960092), (10, 2130480046), (20, 1065240023)]