21000969836

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68184967}}^1$

素因数の和:68184989

約数の個数: 24

約数和(自身を含む): 45820298496

約数和(自身を除く): 24819328660

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68184967, 136369934, 272739868, 477294769, 750034637, 954589538, 1500069274, 1909179076, 3000138548, 5250242459, 10500484918, 21000969836]

約数ペア:

[(1, 21000969836), (2, 10500484918), (4, 5250242459), (7, 3000138548), (11, 1909179076), (14, 1500069274), (22, 954589538), (28, 750034637), (44, 477294769), (77, 272739868), (154, 136369934), (308, 68184967)]