21522980

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1171}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 45286080

約数和(自身を除く): 23763100

約数列:

[1, 2, 4, 5, 10, 20, 919, 1171, 1838, 2342, 3676, 4595, 4684, 5855, 9190, 11710, 18380, 23420, 1076149, 2152298, 4304596, 5380745, 10761490, 21522980]

約数ペア:

[(1, 21522980), (2, 10761490), (4, 5380745), (5, 4304596), (10, 2152298), (20, 1076149), (919, 23420), (1171, 18380), (1838, 11710), (2342, 9190), (3676, 5855), (4595, 4684)]