21394336

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6491}}^1$

素因数の和:6604

約数の個数: 24

約数和(自身を含む): 42535584

約数和(自身を除く): 21141248

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6491, 12982, 25964, 51928, 103856, 207712, 668573, 1337146, 2674292, 5348584, 10697168, 21394336]

約数ペア:

[(1, 21394336), (2, 10697168), (4, 5348584), (8, 2674292), (16, 1337146), (32, 668573), (103, 207712), (206, 103856), (412, 51928), (824, 25964), (1648, 12982), (3296, 6491)]