21547964

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{234217}}^1$

素因数の和:234244

約数の個数: 12

約数和(自身を含む): 39348624

約数和(自身を除く): 17800660

約数列:

[1, 2, 4, 23, 46, 92, 234217, 468434, 936868, 5386991, 10773982, 21547964]

約数ペア:

[(1, 21547964), (2, 10773982), (4, 5386991), (23, 936868), (46, 468434), (92, 234217)]