21987331388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{499712077}}^1$

素因数の和:499712092

約数の個数: 12

約数和(自身を含む): 41975814552

約数和(自身を除く): 19988483164

約数列:

[1, 2, 4, 11, 22, 44, 499712077, 999424154, 1998848308, 5496832847, 10993665694, 21987331388]

約数ペア:

[(1, 21987331388), (2, 10993665694), (4, 5496832847), (11, 1998848308), (22, 999424154), (44, 499712077)]