21022752005

素因数分解:

$5^1\times {\mathrm{641}}^1\times {\mathrm{1327}}^1\times {\mathrm{4943}}^1$

素因数の和:6916

約数の個数: 16

約数和(自身を含む): 25290814464

約数和(自身を除く): 4268062459

約数列:

[1, 5, 641, 1327, 3205, 4943, 6635, 24715, 850607, 3168463, 4253035, 6559361, 15842315, 32796805, 4204550401, 21022752005]

約数ペア:

[(1, 21022752005), (5, 4204550401), (641, 32796805), (1327, 15842315), (3205, 6559361), (4943, 4253035), (6635, 3168463), (24715, 850607)]