21392932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{486203}}^1$

素因数の和:486218

約数の個数: 12

約数和(自身を含む): 40841136

約数和(自身を除く): 19448204

約数列:

[1, 2, 4, 11, 22, 44, 486203, 972406, 1944812, 5348233, 10696466, 21392932]

約数ペア:

[(1, 21392932), (2, 10696466), (4, 5348233), (11, 1944812), (22, 972406), (44, 486203)]