2181226516

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2105431}}^1$

素因数の和:2105479

約数の個数: 24

約数和(自身を含む): 4480359296

約数和(自身を除く): 2299132780

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 2105431, 4210862, 8421724, 14738017, 29476034, 58952068, 77900947, 155801894, 311603788, 545306629, 1090613258, 2181226516]

約数ペア:

[(1, 2181226516), (2, 1090613258), (4, 545306629), (7, 311603788), (14, 155801894), (28, 77900947), (37, 58952068), (74, 29476034), (148, 14738017), (259, 8421724), (518, 4210862), (1036, 2105431)]