21151174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6367}}^1$

素因数の和:6531

約数の個数: 16

約数和(自身を含む): 34845696

約数和(自身を除く): 13694522

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 6367, 12734, 70037, 140074, 961417, 1922834, 10575587, 21151174]

約数ペア:

[(1, 21151174), (2, 10575587), (11, 1922834), (22, 961417), (151, 140074), (302, 70037), (1661, 12734), (3322, 6367)]