21344320

素因数分解:

$2^6\times 5^1\times {\mathrm{66701}}^1$

素因数の和:66718

約数の個数: 28

約数和(自身を含む): 50826924

約数和(自身を除く): 29482604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 66701, 133402, 266804, 333505, 533608, 667010, 1067216, 1334020, 2134432, 2668040, 4268864, 5336080, 10672160, 21344320]

約数ペア:

[(1, 21344320), (2, 10672160), (4, 5336080), (5, 4268864), (8, 2668040), (10, 2134432), (16, 1334020), (20, 1067216), (32, 667010), (40, 533608), (64, 333505), (80, 266804), (160, 133402), (320, 66701)]