21938852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3943}}^1$

素因数の和:4067

約数の個数: 24

約数和(自身を含む): 41743296

約数和(自身を除く): 19804444

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3943, 5564, 7886, 15772, 51259, 102518, 205036, 421901, 843802, 1687604, 5484713, 10969426, 21938852]

約数ペア:

[(1, 21938852), (2, 10969426), (4, 5484713), (13, 1687604), (26, 843802), (52, 421901), (107, 205036), (214, 102518), (428, 51259), (1391, 15772), (2782, 7886), (3943, 5564)]