21259612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4691}}^1$

素因数の和:4809

約数の個数: 24

約数和(自身を含む): 40989312

約数和(自身を除く): 19729700

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 4691, 9382, 18764, 51601, 103202, 206404, 483173, 966346, 1932692, 5314903, 10629806, 21259612]

約数ペア:

[(1, 21259612), (2, 10629806), (4, 5314903), (11, 1932692), (22, 966346), (44, 483173), (103, 206404), (206, 103202), (412, 51601), (1133, 18764), (2266, 9382), (4532, 4691)]