21748902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{517831}}^1$

素因数の和:517843

約数の個数: 16

約数和(自身を含む): 49711872

約数和(自身を除く): 27962970

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 517831, 1035662, 1553493, 3106986, 3624817, 7249634, 10874451, 21748902]

約数ペア:

[(1, 21748902), (2, 10874451), (3, 7249634), (6, 3624817), (7, 3106986), (14, 1553493), (21, 1035662), (42, 517831)]