21469624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{243973}}^1$

素因数の和:243990

約数の個数: 16

約数和(自身を含む): 43915320

約数和(自身を除く): 22445696

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 243973, 487946, 975892, 1951784, 2683703, 5367406, 10734812, 21469624]

約数ペア:

[(1, 21469624), (2, 10734812), (4, 5367406), (8, 2683703), (11, 1951784), (22, 975892), (44, 487946), (88, 243973)]