21361571

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16319}}^1$

素因数の和:16354

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 6839389

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16319, 114233, 179509, 277423, 1256563, 1941961, 3051653, 21361571]

約数ペア:

[(1, 21361571), (7, 3051653), (11, 1941961), (17, 1256563), (77, 277423), (119, 179509), (187, 114233), (1309, 16319)]