21000604340

素因数分解:

$2^2\times 5^1\times {\mathrm{5077}}^1\times {\mathrm{206821}}^1$

素因数の和:211907

約数の個数: 24

約数和(自身を含む): 44110168872

約数和(自身を除く): 23109564532

約数列:

[1, 2, 4, 5, 10, 20, 5077, 10154, 20308, 25385, 50770, 101540, 206821, 413642, 827284, 1034105, 2068210, 4136420, 1050030217, 2100060434, 4200120868, 5250151085, 10500302170, 21000604340]

約数ペア:

[(1, 21000604340), (2, 10500302170), (4, 5250151085), (5, 4200120868), (10, 2100060434), (20, 1050030217), (5077, 4136420), (10154, 2068210), (20308, 1034105), (25385, 827284), (50770, 413642), (101540, 206821)]