21172884

素因数分解:

$2^2\times 3^1\times {\mathrm{1764407}}^1$

素因数の和:1764414

約数の個数: 12

約数和(自身を含む): 49403424

約数和(自身を除く): 28230540

約数列:

[1, 2, 3, 4, 6, 12, 1764407, 3528814, 5293221, 7057628, 10586442, 21172884]

約数ペア:

[(1, 21172884), (2, 10586442), (3, 7057628), (4, 5293221), (6, 3528814), (12, 1764407)]