21989247074

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^2\times {\mathrm{56489}}^1$

素因数の和:56722

約数の個数: 24

約数和(自身を含む): 35254166220

約数和(自身を除く): 13264919146

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 11449, 22898, 56489, 112978, 194633, 389266, 960313, 1920626, 6044323, 12088646, 102753491, 205506982, 646742561, 1293485122, 10994623537, 21989247074]

約数ペア:

[(1, 21989247074), (2, 10994623537), (17, 1293485122), (34, 646742561), (107, 205506982), (214, 102753491), (1819, 12088646), (3638, 6044323), (11449, 1920626), (22898, 960313), (56489, 389266), (112978, 194633)]