21880564

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1381}}^1$

素因数の和:1635

約数の個数: 24

約数和(自身を含む): 40746888

約数和(自身を除く): 18866324

約数列:

[1, 2, 4, 17, 34, 68, 233, 466, 932, 1381, 2762, 3961, 5524, 7922, 15844, 23477, 46954, 93908, 321773, 643546, 1287092, 5470141, 10940282, 21880564]

約数ペア:

[(1, 21880564), (2, 10940282), (4, 5470141), (17, 1287092), (34, 643546), (68, 321773), (233, 93908), (466, 46954), (932, 23477), (1381, 15844), (2762, 7922), (3961, 5524)]