21655564

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4273}}^1$

素因数の和:4465

約数の個数: 24

約数和(自身を含む): 43560608

約数和(自身を除く): 21905044

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 4273, 5068, 8546, 17092, 29911, 59822, 119644, 773413, 1546826, 3093652, 5413891, 10827782, 21655564]

約数ペア:

[(1, 21655564), (2, 10827782), (4, 5413891), (7, 3093652), (14, 1546826), (28, 773413), (181, 119644), (362, 59822), (724, 29911), (1267, 17092), (2534, 8546), (4273, 5068)]