20212821044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{388708097}}^1$

素因数の和:388708114

約数の個数: 12

約数和(自身を含む): 38093393604

約数和(自身を除く): 17880572560

約数列:

[1, 2, 4, 13, 26, 52, 388708097, 777416194, 1554832388, 5053205261, 10106410522, 20212821044]

約数ペア:

[(1, 20212821044), (2, 10106410522), (4, 5053205261), (13, 1554832388), (26, 777416194), (52, 388708097)]