21108532

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 37648800

約数和(自身を除く): 16540268

約数列:

[1, 2, 4, 107, 149, 214, 298, 331, 428, 596, 662, 1324, 15943, 31886, 35417, 49319, 63772, 70834, 98638, 141668, 197276, 5277133, 10554266, 21108532]

約数ペア:

[(1, 21108532), (2, 10554266), (4, 5277133), (107, 197276), (149, 141668), (214, 98638), (298, 70834), (331, 63772), (428, 49319), (596, 35417), (662, 31886), (1324, 15943)]