21515382

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18973}}^1$

素因数の和:18994

約数の個数: 40

約数和(自身を含む): 55100496

約数和(自身を除く): 33585114

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18973, 37946, 56919, 113838, 132811, 170757, 265622, 341514, 398433, 512271, 796866, 1024542, 1195299, 1536813, 2390598, 3073626, 3585897, 7171794, 10757691, 21515382]

約数ペア:

[(1, 21515382), (2, 10757691), (3, 7171794), (6, 3585897), (7, 3073626), (9, 2390598), (14, 1536813), (18, 1195299), (21, 1024542), (27, 796866), (42, 512271), (54, 398433), (63, 341514), (81, 265622), (126, 170757), (162, 132811), (189, 113838), (378, 56919), (567, 37946), (1134, 18973)]