21497536

素因数分解:

$2^6\times {\mathrm{257}}^1\times {\mathrm{1307}}^1$

素因数の和:1576

約数の個数: 28

約数和(自身を含む): 42857928

約数和(自身を除く): 21360392

約数列:

[1, 2, 4, 8, 16, 32, 64, 257, 514, 1028, 1307, 2056, 2614, 4112, 5228, 8224, 10456, 16448, 20912, 41824, 83648, 335899, 671798, 1343596, 2687192, 5374384, 10748768, 21497536]

約数ペア:

[(1, 21497536), (2, 10748768), (4, 5374384), (8, 2687192), (16, 1343596), (32, 671798), (64, 335899), (257, 83648), (514, 41824), (1028, 20912), (1307, 16448), (2056, 10456), (2614, 8224), (4112, 5228)]