21729930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{724331}}^1$

素因数の和:724341

約数の個数: 16

約数和(自身を含む): 52151904

約数和(自身を除く): 30421974

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 724331, 1448662, 2172993, 3621655, 4345986, 7243310, 10864965, 21729930]

約数ペア:

[(1, 21729930), (2, 10864965), (3, 7243310), (5, 4345986), (6, 3621655), (10, 2172993), (15, 1448662), (30, 724331)]