21654133060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{154672379}}^1$

素因数の和:154672395

約数の個数: 24

約数和(自身を含む): 51969919680

約数和(自身を除く): 30315786620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 154672379, 309344758, 618689516, 773361895, 1082706653, 1546723790, 2165413306, 3093447580, 4330826612, 5413533265, 10827066530, 21654133060]

約数ペア:

[(1, 21654133060), (2, 10827066530), (4, 5413533265), (5, 4330826612), (7, 3093447580), (10, 2165413306), (14, 1546723790), (20, 1082706653), (28, 773361895), (35, 618689516), (70, 309344758), (140, 154672379)]