21535612

素因数分解:

$2^2\times 7^1\times {\mathrm{877}}^2$

素因数の和:1765

約数の個数: 18

約数和(自身を含む): 43120392

約数和(自身を除く): 21584780

約数列:

[1, 2, 4, 7, 14, 28, 877, 1754, 3508, 6139, 12278, 24556, 769129, 1538258, 3076516, 5383903, 10767806, 21535612]

約数ペア:

[(1, 21535612), (2, 10767806), (4, 5383903), (7, 3076516), (14, 1538258), (28, 769129), (877, 24556), (1754, 12278), (3508, 6139)]