21086835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18257}}^1$

素因数の和:18283

約数の個数: 32

約数和(自身を含む): 42066432

約数和(自身を除く): 20979597

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18257, 54771, 91285, 127799, 200827, 273855, 383397, 602481, 638995, 1004135, 1405789, 1916985, 3012405, 4217367, 7028945, 21086835]

約数ペア:

[(1, 21086835), (3, 7028945), (5, 4217367), (7, 3012405), (11, 1916985), (15, 1405789), (21, 1004135), (33, 638995), (35, 602481), (55, 383397), (77, 273855), (105, 200827), (165, 127799), (231, 91285), (385, 54771), (1155, 18257)]