21750784

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{1931}}^1$

素因数の和:1962

約数の個数: 44

約数和(自身を含む): 47457648

約数和(自身を除く): 25706864

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1024, 1408, 1931, 2816, 3862, 5632, 7724, 11264, 15448, 21241, 30896, 42482, 61792, 84964, 123584, 169928, 247168, 339856, 494336, 679712, 988672, 1359424, 1977344, 2718848, 5437696, 10875392, 21750784]

約数ペア:

[(1, 21750784), (2, 10875392), (4, 5437696), (8, 2718848), (11, 1977344), (16, 1359424), (22, 988672), (32, 679712), (44, 494336), (64, 339856), (88, 247168), (128, 169928), (176, 123584), (256, 84964), (352, 61792), (512, 42482), (704, 30896), (1024, 21241), (1408, 15448), (1931, 11264), (2816, 7724), (3862, 5632)]