21000388696

素因数分解:

$2^3\times 7^1\times {\mathrm{375006941}}^1$

素因数の和:375006954

約数の個数: 16

約数和(自身を含む): 45000833040

約数和(自身を除く): 24000444344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 375006941, 750013882, 1500027764, 2625048587, 3000055528, 5250097174, 10500194348, 21000388696]

約数ペア:

[(1, 21000388696), (2, 10500194348), (4, 5250097174), (7, 3000055528), (8, 2625048587), (14, 1500027764), (28, 750013882), (56, 375006941)]