21950012

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1571}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 44016000

約数和(自身を除く): 22065988

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1571, 1996, 3142, 3493, 6284, 6986, 10997, 13972, 21994, 43988, 783929, 1567858, 3135716, 5487503, 10975006, 21950012]

約数ペア:

[(1, 21950012), (2, 10975006), (4, 5487503), (7, 3135716), (14, 1567858), (28, 783929), (499, 43988), (998, 21994), (1571, 13972), (1996, 10997), (3142, 6986), (3493, 6284)]