21073731

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16451}}^1$

素因数の和:16522

約数の個数: 16

約数和(自身を含む): 32640768

約数和(自身を除く): 11567037

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16451, 49353, 115157, 345471, 1003511, 3010533, 7024577, 21073731]

約数ペア:

[(1, 21073731), (3, 7024577), (7, 3010533), (21, 1003511), (61, 345471), (183, 115157), (427, 49353), (1281, 16451)]