21418442

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{419}}^2$

素因数の和:901

約数の個数: 12

約数和(自身を含む): 32732466

約数和(自身を除く): 11314024

約数列:

[1, 2, 61, 122, 419, 838, 25559, 51118, 175561, 351122, 10709221, 21418442]

約数ペア:

[(1, 21418442), (2, 10709221), (61, 351122), (122, 175561), (419, 51118), (838, 25559)]