21847844

素因数分解:

$2^2\times {\mathrm{641}}^1\times {\mathrm{8521}}^1$

素因数の和:9166

約数の個数: 12

約数和(自身を含む): 38297868

約数和(自身を除く): 16450024

約数列:

[1, 2, 4, 641, 1282, 2564, 8521, 17042, 34084, 5461961, 10923922, 21847844]

約数ペア:

[(1, 21847844), (2, 10923922), (4, 5461961), (641, 34084), (1282, 17042), (2564, 8521)]