21339930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41843}}^1$

素因数の和:41870

約数の個数: 32

約数和(自身を含む): 54229824

約数和(自身を除く): 32889894

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 41843, 83686, 125529, 209215, 251058, 418430, 627645, 711331, 1255290, 1422662, 2133993, 3556655, 4267986, 7113310, 10669965, 21339930]

約数ペア:

[(1, 21339930), (2, 10669965), (3, 7113310), (5, 4267986), (6, 3556655), (10, 2133993), (15, 1422662), (17, 1255290), (30, 711331), (34, 627645), (51, 418430), (85, 251058), (102, 209215), (170, 125529), (255, 83686), (510, 41843)]