21648418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2741}}^1$

素因数の和:3113

約数の個数: 16

約数和(自身を含む): 35536320

約数和(自身を除く): 13887902

約数列:

[1, 2, 11, 22, 359, 718, 2741, 3949, 5482, 7898, 30151, 60302, 984019, 1968038, 10824209, 21648418]

約数ペア:

[(1, 21648418), (2, 10824209), (11, 1968038), (22, 984019), (359, 60302), (718, 30151), (2741, 7898), (3949, 5482)]