21692349

素因数分解:

$3^2\times 7^3\times {\mathrm{7027}}^1$

素因数の和:7054

約数の個数: 24

約数和(自身を含む): 36545600

約数和(自身を除く): 14853251

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 7027, 21081, 49189, 63243, 147567, 344323, 442701, 1032969, 2410261, 3098907, 7230783, 21692349]

約数ペア:

[(1, 21692349), (3, 7230783), (7, 3098907), (9, 2410261), (21, 1032969), (49, 442701), (63, 344323), (147, 147567), (343, 63243), (441, 49189), (1029, 21081), (3087, 7027)]