21303964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{484181}}^1$

素因数の和:484196

約数の個数: 12

約数和(自身を含む): 40671288

約数和(自身を除く): 19367324

約数列:

[1, 2, 4, 11, 22, 44, 484181, 968362, 1936724, 5325991, 10651982, 21303964]

約数ペア:

[(1, 21303964), (2, 10651982), (4, 5325991), (11, 1936724), (22, 968362), (44, 484181)]