21100000016

素因数分解:

$2^4\times {\mathrm{1318750001}}^1$

素因数の和:1318750009

約数の個数: 10

約数和(自身を含む): 40881250062

約数和(自身を除く): 19781250046

約数列:

[1, 2, 4, 8, 16, 1318750001, 2637500002, 5275000004, 10550000008, 21100000016]

約数ペア:

[(1, 21100000016), (2, 10550000008), (4, 5275000004), (8, 2637500002), (16, 1318750001)]