21000455505

素因数分解:

$3^2\times 5^1\times {\mathrm{466676789}}^1$

素因数の和:466676800

約数の個数: 12

約数和(自身を含む): 36400789620

約数和(自身を除く): 15400334115

約数列:

[1, 3, 5, 9, 15, 45, 466676789, 1400030367, 2333383945, 4200091101, 7000151835, 21000455505]

約数ペア:

[(1, 21000455505), (3, 7000151835), (5, 4200091101), (9, 2333383945), (15, 1400030367), (45, 466676789)]