21897678

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4673}}^1$

素因数の和:4760

約数の個数: 32

約数和(自身を含む): 48460032

約数和(自身を除く): 26562354

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 781, 1562, 2343, 4673, 4686, 9346, 14019, 28038, 51403, 102806, 154209, 308418, 331783, 663566, 995349, 1990698, 3649613, 7299226, 10948839, 21897678]

約数ペア:

[(1, 21897678), (2, 10948839), (3, 7299226), (6, 3649613), (11, 1990698), (22, 995349), (33, 663566), (66, 331783), (71, 308418), (142, 154209), (213, 102806), (426, 51403), (781, 28038), (1562, 14019), (2343, 9346), (4673, 4686)]