21887802

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{8161}}^1$

素因数の和:8318

約数の個数: 24

約数和(自身を含む): 47747700

約数和(自身を除く): 25859898

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 8161, 16322, 24483, 48966, 73449, 146898, 1215989, 2431978, 3647967, 7295934, 10943901, 21887802]

約数ペア:

[(1, 21887802), (2, 10943901), (3, 7295934), (6, 3647967), (9, 2431978), (18, 1215989), (149, 146898), (298, 73449), (447, 48966), (894, 24483), (1341, 16322), (2682, 8161)]