21048652838

素因数分解:

$2^1\times {\mathrm{1321}}^1\times {\mathrm{7966939}}^1$

素因数の和:7968262

約数の個数: 8

約数和(自身を含む): 31596884040

約数和(自身を除く): 10548231202

約数列:

[1, 2, 1321, 2642, 7966939, 15933878, 10524326419, 21048652838]

約数ペア:

[(1, 21048652838), (2, 10524326419), (1321, 15933878), (2642, 7966939)]