21834568

素因数分解:

$2^3\times 7^1\times {\mathrm{389903}}^1$

素因数の和:389916

約数の個数: 16

約数和(自身を含む): 46788480

約数和(自身を除く): 24953912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 389903, 779806, 1559612, 2729321, 3119224, 5458642, 10917284, 21834568]

約数ペア:

[(1, 21834568), (2, 10917284), (4, 5458642), (7, 3119224), (8, 2729321), (14, 1559612), (28, 779806), (56, 389903)]