21221524

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 37830240

約数和(自身を除く): 16608716

約数列:

[1, 2, 4, 107, 179, 214, 277, 358, 428, 554, 716, 1108, 19153, 29639, 38306, 49583, 59278, 76612, 99166, 118556, 198332, 5305381, 10610762, 21221524]

約数ペア:

[(1, 21221524), (2, 10610762), (4, 5305381), (107, 198332), (179, 118556), (214, 99166), (277, 76612), (358, 59278), (428, 49583), (554, 38306), (716, 29639), (1108, 19153)]