21260742

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21739}}^1$

素因数の和:21907

約数の個数: 16

約数和(自身を含む): 42784320

約数和(自身を除く): 21523578

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21739, 43478, 65217, 130434, 3543457, 7086914, 10630371, 21260742]

約数ペア:

[(1, 21260742), (2, 10630371), (3, 7086914), (6, 3543457), (163, 130434), (326, 65217), (489, 43478), (978, 21739)]