21260162

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138053}}^1$

素因数の和:138073

約数の個数: 16

約数和(自身を含む): 39759552

約数和(自身を除く): 18499390

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 138053, 276106, 966371, 1518583, 1932742, 3037166, 10630081, 21260162]

約数ペア:

[(1, 21260162), (2, 10630081), (7, 3037166), (11, 1932742), (14, 1518583), (22, 966371), (77, 276106), (154, 138053)]