21359752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{157057}}^1$

素因数の和:157080

約数の個数: 16

約数和(自身を含む): 42405660

約数和(自身を除く): 21045908

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 157057, 314114, 628228, 1256456, 2669969, 5339938, 10679876, 21359752]

約数ペア:

[(1, 21359752), (2, 10679876), (4, 5339938), (8, 2669969), (17, 1256456), (34, 628228), (68, 314114), (136, 157057)]