21735161

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1063}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 26148864

約数和(自身を除く): 4413703

約数列:

[1, 7, 23, 127, 161, 889, 1063, 2921, 7441, 20447, 24449, 135001, 171143, 945007, 3105023, 21735161]

約数ペア:

[(1, 21735161), (7, 3105023), (23, 945007), (127, 171143), (161, 135001), (889, 24449), (1063, 20447), (2921, 7441)]