21223994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{2111}}^1$

素因数の和:2581

約数の個数: 16

約数和(自身を含む): 34822656

約数和(自身を除く): 13598662

約数列:

[1, 2, 11, 22, 457, 914, 2111, 4222, 5027, 10054, 23221, 46442, 964727, 1929454, 10611997, 21223994]

約数ペア:

[(1, 21223994), (2, 10611997), (11, 1929454), (22, 964727), (457, 46442), (914, 23221), (2111, 10054), (4222, 5027)]