21803588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1031}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 40569984

約数和(自身を除く): 18766396

約数列:

[1, 2, 4, 17, 34, 68, 311, 622, 1031, 1244, 2062, 4124, 5287, 10574, 17527, 21148, 35054, 70108, 320641, 641282, 1282564, 5450897, 10901794, 21803588]

約数ペア:

[(1, 21803588), (2, 10901794), (4, 5450897), (17, 1282564), (34, 641282), (68, 320641), (311, 70108), (622, 35054), (1031, 21148), (1244, 17527), (2062, 10574), (4124, 5287)]