21094563

素因数分解:

$3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5099}}^1$

素因数の和:5306

約数の個数: 16

約数和(自身を含む): 32313600

約数和(自身を除く): 11219037

約数列:

[1, 3, 7, 21, 197, 591, 1379, 4137, 5099, 15297, 35693, 107079, 1004503, 3013509, 7031521, 21094563]

約数ペア:

[(1, 21094563), (3, 7031521), (7, 3013509), (21, 1004503), (197, 107079), (591, 35693), (1379, 15297), (4137, 5099)]