21340864

素因数分解:

$2^6\times {\mathrm{333451}}^1$

素因数の和:333463

約数の個数: 14

約数和(自身を含む): 42348404

約数和(自身を除く): 21007540

約数列:

[1, 2, 4, 8, 16, 32, 64, 333451, 666902, 1333804, 2667608, 5335216, 10670432, 21340864]

約数ペア:

[(1, 21340864), (2, 10670432), (4, 5335216), (8, 2667608), (16, 1333804), (32, 666902), (64, 333451)]