21107614

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{2003}}^1$

素因数の和:2495

約数の個数: 16

約数和(自身を含む): 34629120

約数和(自身を除く): 13521506

約数列:

[1, 2, 11, 22, 479, 958, 2003, 4006, 5269, 10538, 22033, 44066, 959437, 1918874, 10553807, 21107614]

約数ペア:

[(1, 21107614), (2, 10553807), (11, 1918874), (22, 959437), (479, 44066), (958, 22033), (2003, 10538), (4006, 5269)]