21092708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57947}}^1$

素因数の和:57971

約数の個数: 24

約数和(自身を含む): 45431232

約数和(自身を除く): 24338524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57947, 115894, 231788, 405629, 753311, 811258, 1506622, 1622516, 3013244, 5273177, 10546354, 21092708]

約数ペア:

[(1, 21092708), (2, 10546354), (4, 5273177), (7, 3013244), (13, 1622516), (14, 1506622), (26, 811258), (28, 753311), (52, 405629), (91, 231788), (182, 115894), (364, 57947)]