21918508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{3323}}^1$

素因数の和:3441

約数の個数: 24

約数和(自身を含む): 41044752

約数和(自身を除く): 19126244

約数列:

[1, 2, 4, 17, 34, 68, 97, 194, 388, 1649, 3298, 3323, 6596, 6646, 13292, 56491, 112982, 225964, 322331, 644662, 1289324, 5479627, 10959254, 21918508]

約数ペア:

[(1, 21918508), (2, 10959254), (4, 5479627), (17, 1289324), (34, 644662), (68, 322331), (97, 225964), (194, 112982), (388, 56491), (1649, 13292), (3298, 6646), (3323, 6596)]