21177937

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 24710400

約数和(自身を除く): 3532463

約数列:

[1, 11, 17, 109, 187, 1039, 1199, 1853, 11429, 17663, 20383, 113251, 194293, 1245761, 1925267, 21177937]

約数ペア:

[(1, 21177937), (11, 1925267), (17, 1245761), (109, 194293), (187, 113251), (1039, 20383), (1199, 17663), (1853, 11429)]