21877876

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{599}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 40118400

約数和(自身を除く): 18240524

約数列:

[1, 2, 4, 23, 46, 92, 397, 599, 794, 1198, 1588, 2396, 9131, 13777, 18262, 27554, 36524, 55108, 237803, 475606, 951212, 5469469, 10938938, 21877876]

約数ペア:

[(1, 21877876), (2, 10938938), (4, 5469469), (23, 951212), (46, 475606), (92, 237803), (397, 55108), (599, 36524), (794, 27554), (1198, 18262), (1588, 13777), (2396, 9131)]