21242097

素因数分解:

$3^2\times {\mathrm{509}}^1\times {\mathrm{4637}}^1$

素因数の和:5152

約数の個数: 12

約数和(自身を含む): 30749940

約数和(自身を除く): 9507843

約数列:

[1, 3, 9, 509, 1527, 4581, 4637, 13911, 41733, 2360233, 7080699, 21242097]

約数ペア:

[(1, 21242097), (3, 7080699), (9, 2360233), (509, 41733), (1527, 13911), (4581, 4637)]