21809726

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:763

約数の個数: 16

約数和(自身を含む): 33210000

約数和(自身を除く): 11400274

約数列:

[1, 2, 149, 163, 298, 326, 449, 898, 24287, 48574, 66901, 73187, 133802, 146374, 10904863, 21809726]

約数ペア:

[(1, 21809726), (2, 10904863), (149, 146374), (163, 133802), (298, 73187), (326, 66901), (449, 48574), (898, 24287)]