21001477

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5693}}^1$

素因数の和:5748

約数の個数: 16

約数和(自身を含む): 26237952

約数和(自身を除く): 5236475

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 5693, 39851, 96781, 176483, 677467, 1235381, 3000211, 21001477]

約数ペア:

[(1, 21001477), (7, 3000211), (17, 1235381), (31, 677467), (119, 176483), (217, 96781), (527, 39851), (3689, 5693)]