21351496

素因数分解:

$2^3\times {\mathrm{293}}^1\times {\mathrm{9109}}^1$

素因数の和:9408

約数の個数: 16

約数和(自身を含む): 40175100

約数和(自身を除く): 18823604

約数列:

[1, 2, 4, 8, 293, 586, 1172, 2344, 9109, 18218, 36436, 72872, 2668937, 5337874, 10675748, 21351496]

約数ペア:

[(1, 21351496), (2, 10675748), (4, 5337874), (8, 2668937), (293, 72872), (586, 36436), (1172, 18218), (2344, 9109)]