21921370

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{16001}}^1$

素因数の和:16145

約数の個数: 16

約数和(自身を含む): 39748968

約数和(自身を除く): 17827598

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 16001, 32002, 80005, 160010, 2192137, 4384274, 10960685, 21921370]

約数ペア:

[(1, 21921370), (2, 10960685), (5, 4384274), (10, 2192137), (137, 160010), (274, 80005), (685, 32002), (1370, 16001)]