21375913599

素因数分解:

$3^2\times {\mathrm{13411}}^1\times {\mathrm{177101}}^1$

素因数の和:190518

約数の個数: 12

約数和(自身を含む): 30878796312

約数和(自身を除く): 9502882713

約数列:

[1, 3, 9, 13411, 40233, 120699, 177101, 531303, 1593909, 2375101511, 7125304533, 21375913599]

約数ペア:

[(1, 21375913599), (3, 7125304533), (9, 2375101511), (13411, 1593909), (40233, 531303), (120699, 177101)]