21090551251

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5827729}}^1$

素因数の和:5827794

約数の個数: 16

約数和(自身を含む): 26854179840

約数和(自身を除く): 5763628589

約数列:

[1, 7, 11, 47, 77, 329, 517, 3619, 5827729, 40794103, 64105019, 273903263, 448735133, 1917322841, 3012935893, 21090551251]

約数ペア:

[(1, 21090551251), (7, 3012935893), (11, 1917322841), (47, 448735133), (77, 273903263), (329, 64105019), (517, 40794103), (3619, 5827729)]