21310495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2346

約数の個数: 16

約数和(自身を含む): 27197280

約数和(自身を除く): 5886785

約数列:

[1, 5, 19, 95, 101, 505, 1919, 2221, 9595, 11105, 42199, 210995, 224321, 1121605, 4262099, 21310495]

約数ペア:

[(1, 21310495), (5, 4262099), (19, 1121605), (95, 224321), (101, 210995), (505, 42199), (1919, 11105), (2221, 9595)]