21685994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1\times {\mathrm{2129}}^1$

素因数の和:2605

約数の個数: 16

約数和(自身を含む): 35579520

約数和(自身を除く): 13893526

約数列:

[1, 2, 11, 22, 463, 926, 2129, 4258, 5093, 10186, 23419, 46838, 985727, 1971454, 10842997, 21685994]

約数ペア:

[(1, 21685994), (2, 10842997), (11, 1971454), (22, 985727), (463, 46838), (926, 23419), (2129, 10186), (4258, 5093)]