21690002881

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{89627}}^1$

素因数の和:89964

約数の個数: 16

約数和(自身を含む): 23403663360

約数和(自身を除く): 1713660479

約数列:

[1, 19, 47, 271, 893, 5149, 12737, 89627, 242003, 1702913, 4212469, 24288917, 80036911, 461489423, 1141579099, 21690002881]

約数ペア:

[(1, 21690002881), (19, 1141579099), (47, 461489423), (271, 80036911), (893, 24288917), (5149, 4212469), (12737, 1702913), (89627, 242003)]