21367412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2683}}^1$

素因数の和:2879

約数の個数: 24

約数和(自身を含む): 41032992

約数和(自身を除く): 19665580

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2683, 3982, 5366, 7964, 10732, 29513, 59026, 118052, 485623, 971246, 1942492, 5341853, 10683706, 21367412]

約数ペア:

[(1, 21367412), (2, 10683706), (4, 5341853), (11, 1942492), (22, 971246), (44, 485623), (181, 118052), (362, 59026), (724, 29513), (1991, 10732), (2683, 7964), (3982, 5366)]