21304394

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1709}}^1$

素因数の和:2005

約数の個数: 16

約数和(自身を含む): 33488640

約数和(自身を除く): 12184246

約数列:

[1, 2, 23, 46, 271, 542, 1709, 3418, 6233, 12466, 39307, 78614, 463139, 926278, 10652197, 21304394]

約数ペア:

[(1, 21304394), (2, 10652197), (23, 926278), (46, 463139), (271, 78614), (542, 39307), (1709, 12466), (3418, 6233)]