12821284

素因数分解:

$2^2\times 7^1\times {\mathrm{457903}}^1$

素因数の和:457914

約数の個数: 12

約数和(自身を含む): 25642624

約数和(自身を除く): 12821340

約数列:

[1, 2, 4, 7, 14, 28, 457903, 915806, 1831612, 3205321, 6410642, 12821284]

約数ペア:

[(1, 12821284), (2, 6410642), (4, 3205321), (7, 1831612), (14, 915806), (28, 457903)]