21313264

素因数分解:

$2^4\times 7^1\times {\mathrm{190297}}^1$

素因数の和:190312

約数の個数: 20

約数和(自身を含む): 47193904

約数和(自身を除く): 25880640

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190297, 380594, 761188, 1332079, 1522376, 2664158, 3044752, 5328316, 10656632, 21313264]

約数ペア:

[(1, 21313264), (2, 10656632), (4, 5328316), (7, 3044752), (8, 2664158), (14, 1522376), (16, 1332079), (28, 761188), (56, 380594), (112, 190297)]