21886306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4273}}^1$

素因数の和:4485

約数の個数: 16

約数和(自身を含む): 35542584

約数和(自身を除く): 13656278

約数列:

[1, 2, 13, 26, 197, 394, 2561, 4273, 5122, 8546, 55549, 111098, 841781, 1683562, 10943153, 21886306]

約数ペア:

[(1, 21886306), (2, 10943153), (13, 1683562), (26, 841781), (197, 111098), (394, 55549), (2561, 8546), (4273, 5122)]