21375159

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14813}}^1$

素因数の和:14866

約数の個数: 16

約数和(自身を含む): 31524192

約数和(自身を除く): 10149033

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14813, 44439, 192569, 548081, 577707, 1644243, 7125053, 21375159]

約数ペア:

[(1, 21375159), (3, 7125053), (13, 1644243), (37, 577707), (39, 548081), (111, 192569), (481, 44439), (1443, 14813)]