21139068

素因数分解:

$2^2\times 3^1\times {\mathrm{281}}^1\times {\mathrm{6269}}^1$

素因数の和:6557

約数の個数: 24

約数和(自身を含む): 49507920

約数和(自身を除く): 28368852

約数列:

[1, 2, 3, 4, 6, 12, 281, 562, 843, 1124, 1686, 3372, 6269, 12538, 18807, 25076, 37614, 75228, 1761589, 3523178, 5284767, 7046356, 10569534, 21139068]

約数ペア:

[(1, 21139068), (2, 10569534), (3, 7046356), (4, 5284767), (6, 3523178), (12, 1761589), (281, 75228), (562, 37614), (843, 25076), (1124, 18807), (1686, 12538), (3372, 6269)]