21134173640

素因数分解:

$2^3\times 5^1\times {\mathrm{528354341}}^1$

素因数の和:528354352

約数の個数: 16

約数和(自身を含む): 47551890780

約数和(自身を除く): 26417717140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 528354341, 1056708682, 2113417364, 2641771705, 4226834728, 5283543410, 10567086820, 21134173640]

約数ペア:

[(1, 21134173640), (2, 10567086820), (4, 5283543410), (5, 4226834728), (8, 2641771705), (10, 2113417364), (20, 1056708682), (40, 528354341)]