21358492022

素因数分解:

$2^1\times 7^1\times {\mathrm{2857}}^1\times {\mathrm{533989}}^1$

素因数の和:536855

約数の個数: 16

約数和(自身を含む): 36627442080

約数和(自身を除く): 15268950058

約数列:

[1, 2, 7, 14, 2857, 5714, 19999, 39998, 533989, 1067978, 3737923, 7475846, 1525606573, 3051213146, 10679246011, 21358492022]

約数ペア:

[(1, 21358492022), (2, 10679246011), (7, 3051213146), (14, 1525606573), (2857, 7475846), (5714, 3737923), (19999, 1067978), (39998, 533989)]