22257721

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 25738560

約数和(自身を除く): 3480839

約数列:

[1, 19, 23, 31, 53, 437, 589, 713, 961, 1007, 1219, 1643, 13547, 18259, 22103, 23161, 31217, 37789, 50933, 419957, 717991, 967727, 1171459, 22257721]

約数ペア:

[(1, 22257721), (19, 1171459), (23, 967727), (31, 717991), (53, 419957), (437, 50933), (589, 37789), (713, 31217), (961, 23161), (1007, 22103), (1219, 18259), (1643, 13547)]