21695224

素因数分解:

$2^3\times {\mathrm{223}}^1\times {\mathrm{12161}}^1$

素因数の和:12390

約数の個数: 16

約数和(自身を含む): 40864320

約数和(自身を除く): 19169096

約数列:

[1, 2, 4, 8, 223, 446, 892, 1784, 12161, 24322, 48644, 97288, 2711903, 5423806, 10847612, 21695224]

約数ペア:

[(1, 21695224), (2, 10847612), (4, 5423806), (8, 2711903), (223, 97288), (446, 48644), (892, 24322), (1784, 12161)]