21621030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{839}}^1\times {\mathrm{859}}^1$

素因数の和:1708

約数の個数: 32

約数和(自身を含む): 52012800

約数和(自身を除く): 30391770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 839, 859, 1678, 1718, 2517, 2577, 4195, 4295, 5034, 5154, 8390, 8590, 12585, 12885, 25170, 25770, 720701, 1441402, 2162103, 3603505, 4324206, 7207010, 10810515, 21621030]

約数ペア:

[(1, 21621030), (2, 10810515), (3, 7207010), (5, 4324206), (6, 3603505), (10, 2162103), (15, 1441402), (30, 720701), (839, 25770), (859, 25170), (1678, 12885), (1718, 12585), (2517, 8590), (2577, 8390), (4195, 5154), (4295, 5034)]