21144930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17191}}^1$

素因数の和:17242

約数の個数: 32

約数和(自身を含む): 51988608

約数和(自身を除く): 30843678

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17191, 34382, 51573, 85955, 103146, 171910, 257865, 515730, 704831, 1409662, 2114493, 3524155, 4228986, 7048310, 10572465, 21144930]

約数ペア:

[(1, 21144930), (2, 10572465), (3, 7048310), (5, 4228986), (6, 3524155), (10, 2114493), (15, 1409662), (30, 704831), (41, 515730), (82, 257865), (123, 171910), (205, 103146), (246, 85955), (410, 51573), (615, 34382), (1230, 17191)]