21173126

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47903}}^1$

素因数の和:47935

約数の個数: 16

約数和(自身を含む): 36215424

約数和(自身を除く): 15042298

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 47903, 95806, 622739, 814351, 1245478, 1628702, 10586563, 21173126]

約数ペア:

[(1, 21173126), (2, 10586563), (13, 1628702), (17, 1245478), (26, 814351), (34, 622739), (221, 95806), (442, 47903)]