21521772

素因数分解:

$2^2\times 3^2\times {\mathrm{597827}}^1$

素因数の和:597837

約数の個数: 18

約数和(自身を含む): 54402348

約数和(自身を除く): 32880576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 597827, 1195654, 1793481, 2391308, 3586962, 5380443, 7173924, 10760886, 21521772]

約数ペア:

[(1, 21521772), (2, 10760886), (3, 7173924), (4, 5380443), (6, 3586962), (9, 2391308), (12, 1793481), (18, 1195654), (36, 597827)]