21798008

素因数分解:

$2^3\times {\mathrm{503}}^1\times {\mathrm{5417}}^1$

素因数の和:5926

約数の個数: 16

約数和(自身を含む): 40960080

約数和(自身を除く): 19162072

約数列:

[1, 2, 4, 8, 503, 1006, 2012, 4024, 5417, 10834, 21668, 43336, 2724751, 5449502, 10899004, 21798008]

約数ペア:

[(1, 21798008), (2, 10899004), (4, 5449502), (8, 2724751), (503, 43336), (1006, 21668), (2012, 10834), (4024, 5417)]