21301918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56957}}^1$

素因数の和:56987

約数の個数: 16

約数和(自身を含む): 36908784

約数和(自身を除く): 15606866

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56957, 113914, 626527, 968269, 1253054, 1936538, 10650959, 21301918]

約数ペア:

[(1, 21301918), (2, 10650959), (11, 1936538), (17, 1253054), (22, 968269), (34, 626527), (187, 113914), (374, 56957)]