21241006

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{1129}}^1$

素因数の和:1563

約数の個数: 16

約数和(自身を含む): 33357600

約数和(自身を除く): 12116594

約数列:

[1, 2, 23, 46, 409, 818, 1129, 2258, 9407, 18814, 25967, 51934, 461761, 923522, 10620503, 21241006]

約数ペア:

[(1, 21241006), (2, 10620503), (23, 923522), (46, 461761), (409, 51934), (818, 25967), (1129, 18814), (2258, 9407)]