21865636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{7127}}^1$

素因数の和:7203

約数の個数: 24

約数和(自身を含む): 41912640

約数和(自身を除く): 20047004

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 7127, 14254, 28508, 92651, 185302, 370604, 420493, 840986, 1681972, 5466409, 10932818, 21865636]

約数ペア:

[(1, 21865636), (2, 10932818), (4, 5466409), (13, 1681972), (26, 840986), (52, 420493), (59, 370604), (118, 185302), (236, 92651), (767, 28508), (1534, 14254), (3068, 7127)]