21644193

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 29595456

約数和(自身を除く): 7951263

約数列:

[1, 3, 53, 159, 197, 591, 691, 2073, 10441, 31323, 36623, 109869, 136127, 408381, 7214731, 21644193]

約数ペア:

[(1, 21644193), (3, 7214731), (53, 408381), (159, 136127), (197, 109869), (591, 36623), (691, 31323), (2073, 10441)]