21895066

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1949}}^1$

素因数の和:2129

約数の個数: 16

約数和(自身を含む): 33906600

約数和(自身を除く): 12011534

約数列:

[1, 2, 41, 82, 137, 274, 1949, 3898, 5617, 11234, 79909, 159818, 267013, 534026, 10947533, 21895066]

約数ペア:

[(1, 21895066), (2, 10947533), (41, 534026), (82, 267013), (137, 159818), (274, 79909), (1949, 11234), (3898, 5617)]