21000279824

素因数分解:

$2^4\times {\mathrm{1312517489}}^1$

素因数の和:1312517497

約数の個数: 10

約数和(自身を含む): 40688042190

約数和(自身を除く): 19687762366

約数列:

[1, 2, 4, 8, 16, 1312517489, 2625034978, 5250069956, 10500139912, 21000279824]

約数ペア:

[(1, 21000279824), (2, 10500139912), (4, 5250069956), (8, 2625034978), (16, 1312517489)]