21338846

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1657}}^1$

素因数の和:1843

約数の個数: 16

約数和(自身を含む): 32947776

約数和(自身を除く): 11608930

約数列:

[1, 2, 47, 94, 137, 274, 1657, 3314, 6439, 12878, 77879, 155758, 227009, 454018, 10669423, 21338846]

約数ペア:

[(1, 21338846), (2, 10669423), (47, 454018), (94, 227009), (137, 155758), (274, 77879), (1657, 12878), (3314, 6439)]