21000782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2659}}^1$

素因数の和:3031

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 13472818

約数列:

[1, 2, 11, 22, 359, 718, 2659, 3949, 5318, 7898, 29249, 58498, 954581, 1909162, 10500391, 21000782]

約数ペア:

[(1, 21000782), (2, 10500391), (11, 1909162), (22, 954581), (359, 58498), (718, 29249), (2659, 7898), (3949, 5318)]