21000514812

素因数分解:

$2^2\times 3^1\times {\mathrm{1750042901}}^1$

素因数の和:1750042908

約数の個数: 12

約数和(自身を含む): 49001201256

約数和(自身を除く): 28000686444

約数列:

[1, 2, 3, 4, 6, 12, 1750042901, 3500085802, 5250128703, 7000171604, 10500257406, 21000514812]

約数ペア:

[(1, 21000514812), (2, 10500257406), (3, 7000171604), (4, 5250128703), (6, 3500085802), (12, 1750042901)]