21000762

素因数分解:

$2^1\times 3^3\times {\mathrm{388903}}^1$

素因数の和:388914

約数の個数: 16

約数和(自身を含む): 46668480

約数和(自身を除く): 25667718

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 388903, 777806, 1166709, 2333418, 3500127, 7000254, 10500381, 21000762]

約数ペア:

[(1, 21000762), (2, 10500381), (3, 7000254), (6, 3500127), (9, 2333418), (18, 1166709), (27, 777806), (54, 388903)]