21091336

素因数分解:

$2^3\times 7^1\times {\mathrm{376631}}^1$

素因数の和:376644

約数の個数: 16

約数和(自身を含む): 45195840

約数和(自身を除く): 24104504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 376631, 753262, 1506524, 2636417, 3013048, 5272834, 10545668, 21091336]

約数ペア:

[(1, 21091336), (2, 10545668), (4, 5272834), (7, 3013048), (8, 2636417), (14, 1506524), (28, 753262), (56, 376631)]