21391526

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{1777}}^1$

素因数の和:2255

約数の個数: 16

約数和(自身を含む): 34649664

約数和(自身を除く): 13258138

約数列:

[1, 2, 13, 26, 463, 926, 1777, 3554, 6019, 12038, 23101, 46202, 822751, 1645502, 10695763, 21391526]

約数ペア:

[(1, 21391526), (2, 10695763), (13, 1645502), (26, 822751), (463, 46202), (926, 23101), (1777, 12038), (3554, 6019)]