21171347847

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1447}}^1\times {\mathrm{125053}}^1$

素因数の和:126519

約数の個数: 24

約数和(自身を含む): 32956230944

約数和(自身を除く): 11784883097

約数列:

[1, 3, 9, 13, 39, 117, 1447, 4341, 13023, 18811, 56433, 125053, 169299, 375159, 1125477, 1625689, 4877067, 14631201, 180951691, 542855073, 1628565219, 2352371983, 7057115949, 21171347847]

約数ペア:

[(1, 21171347847), (3, 7057115949), (9, 2352371983), (13, 1628565219), (39, 542855073), (117, 180951691), (1447, 14631201), (4341, 4877067), (13023, 1625689), (18811, 1125477), (56433, 375159), (125053, 169299)]