21935457

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{467}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 33729696

約数和(自身を除く): 11794239

約数列:

[1, 3, 9, 17, 51, 153, 307, 467, 921, 1401, 2763, 4203, 5219, 7939, 15657, 23817, 46971, 71451, 143369, 430107, 1290321, 2437273, 7311819, 21935457]

約数ペア:

[(1, 21935457), (3, 7311819), (9, 2437273), (17, 1290321), (51, 430107), (153, 143369), (307, 71451), (467, 46971), (921, 23817), (1401, 15657), (2763, 7939), (4203, 5219)]