21448784

素因数分解:

$2^4\times 7^1\times {\mathrm{191507}}^1$

素因数の和:191522

約数の個数: 20

約数和(自身を含む): 47493984

約数和(自身を除く): 26045200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191507, 383014, 766028, 1340549, 1532056, 2681098, 3064112, 5362196, 10724392, 21448784]

約数ペア:

[(1, 21448784), (2, 10724392), (4, 5362196), (7, 3064112), (8, 2681098), (14, 1532056), (16, 1340549), (28, 766028), (56, 383014), (112, 191507)]