21167139161

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3784577}}^1$

素因数の和:3784648

約数の個数: 16

約数和(自身を含む): 26159003136

約数和(自身を除く): 4991863975

約数列:

[1, 7, 17, 47, 119, 329, 799, 5593, 3784577, 26492039, 64337809, 177875119, 450364663, 1245125833, 3023877023, 21167139161]

約数ペア:

[(1, 21167139161), (7, 3023877023), (17, 1245125833), (47, 450364663), (119, 177875119), (329, 64337809), (799, 26492039), (5593, 3784577)]