21804332

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{1789}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 41800080

約数和(自身を除く): 19995748

約数列:

[1, 2, 4, 11, 22, 44, 277, 554, 1108, 1789, 3047, 3578, 6094, 7156, 12188, 19679, 39358, 78716, 495553, 991106, 1982212, 5451083, 10902166, 21804332]

約数ペア:

[(1, 21804332), (2, 10902166), (4, 5451083), (11, 1982212), (22, 991106), (44, 495553), (277, 78716), (554, 39358), (1108, 19679), (1789, 12188), (3047, 7156), (3578, 6094)]