21492780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358213}}^1$

素因数の和:358225

約数の個数: 24

約数和(自身を含む): 60179952

約数和(自身を除く): 38687172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358213, 716426, 1074639, 1432852, 1791065, 2149278, 3582130, 4298556, 5373195, 7164260, 10746390, 21492780]

約数ペア:

[(1, 21492780), (2, 10746390), (3, 7164260), (4, 5373195), (5, 4298556), (6, 3582130), (10, 2149278), (12, 1791065), (15, 1432852), (20, 1074639), (30, 716426), (60, 358213)]