21665204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16979}}^1$

素因数の和:17023

約数の個数: 24

約数和(自身を含む): 42789600

約数和(自身を除く): 21124396

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 16979, 33958, 67916, 186769, 373538, 492391, 747076, 984782, 1969564, 5416301, 10832602, 21665204]

約数ペア:

[(1, 21665204), (2, 10832602), (4, 5416301), (11, 1969564), (22, 984782), (29, 747076), (44, 492391), (58, 373538), (116, 186769), (319, 67916), (638, 33958), (1276, 16979)]