21676994

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{1187}}^1$

素因数の和:1609

約数の個数: 16

約数和(自身を含む): 34043328

約数和(自身を除く): 12366334

約数列:

[1, 2, 23, 46, 397, 794, 1187, 2374, 9131, 18262, 27301, 54602, 471239, 942478, 10838497, 21676994]

約数ペア:

[(1, 21676994), (2, 10838497), (23, 942478), (46, 471239), (397, 54602), (794, 27301), (1187, 18262), (2374, 9131)]