21246774

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{86369}}^1$

素因数の和:86415

約数の個数: 16

約数和(自身を含む): 43530480

約数和(自身を除く): 22283706

約数列:

[1, 2, 3, 6, 41, 82, 123, 246, 86369, 172738, 259107, 518214, 3541129, 7082258, 10623387, 21246774]

約数ペア:

[(1, 21246774), (2, 10623387), (3, 7082258), (6, 3541129), (41, 518214), (82, 259107), (123, 172738), (246, 86369)]