21770398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1601}}^1$

素因数の和:2139

約数の個数: 16

約数和(自身を含む): 35256816

約数和(自身を除く): 13486418

約数列:

[1, 2, 13, 26, 523, 1046, 1601, 3202, 6799, 13598, 20813, 41626, 837323, 1674646, 10885199, 21770398]

約数ペア:

[(1, 21770398), (2, 10885199), (13, 1674646), (26, 837323), (523, 41626), (1046, 20813), (1601, 13598), (3202, 6799)]