21000455426

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{35531}}^1\times {\mathrm{9533}}^1$

素因数の和:45097

約数の個数: 16

約数和(自身を含む): 32521160448

約数和(自身を除く): 11520705022

約数列:

[1, 2, 31, 62, 9533, 19066, 35531, 71062, 295523, 591046, 1101461, 2202922, 338717023, 677434046, 10500227713, 21000455426]

約数ペア:

[(1, 21000455426), (2, 10500227713), (31, 677434046), (62, 338717023), (9533, 2202922), (19066, 1101461), (35531, 591046), (71062, 295523)]