21301654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18269}}^1$

素因数の和:18335

約数の個数: 16

約数和(自身を含む): 35516880

約数和(自身を除く): 14215226

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 18269, 36538, 200959, 401918, 968257, 1936514, 10650827, 21301654]

約数ペア:

[(1, 21301654), (2, 10650827), (11, 1936514), (22, 968257), (53, 401918), (106, 200959), (583, 36538), (1166, 18269)]