21789930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{726331}}^1$

素因数の和:726341

約数の個数: 16

約数和(自身を含む): 52295904

約数和(自身を除く): 30505974

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 726331, 1452662, 2178993, 3631655, 4357986, 7263310, 10894965, 21789930]

約数ペア:

[(1, 21789930), (2, 10894965), (3, 7263310), (5, 4357986), (6, 3631655), (10, 2178993), (15, 1452662), (30, 726331)]