21690774

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57383}}^1$

素因数の和:57401

約数の個数: 32

約数和(自身を含む): 55088640

約数和(自身を除く): 33397866

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57383, 114766, 172149, 344298, 401681, 516447, 803362, 1032894, 1205043, 1549341, 2410086, 3098682, 3615129, 7230258, 10845387, 21690774]

約数ペア:

[(1, 21690774), (2, 10845387), (3, 7230258), (6, 3615129), (7, 3098682), (9, 2410086), (14, 1549341), (18, 1205043), (21, 1032894), (27, 803362), (42, 516447), (54, 401681), (63, 344298), (126, 172149), (189, 114766), (378, 57383)]