21765752

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66359}}^1$

素因数の和:66406

約数の個数: 16

約数和(自身を含む): 41806800

約数和(自身を除く): 20041048

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66359, 132718, 265436, 530872, 2720719, 5441438, 10882876, 21765752]

約数ペア:

[(1, 21765752), (2, 10882876), (4, 5441438), (8, 2720719), (41, 530872), (82, 265436), (164, 132718), (328, 66359)]