21647790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80177}}^1$

素因数の和:80193

約数の個数: 32

約数和(自身を含む): 57728160

約数和(自身を除く): 36080370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80177, 160354, 240531, 400885, 481062, 721593, 801770, 1202655, 1443186, 2164779, 2405310, 3607965, 4329558, 7215930, 10823895, 21647790]

約数ペア:

[(1, 21647790), (2, 10823895), (3, 7215930), (5, 4329558), (6, 3607965), (9, 2405310), (10, 2164779), (15, 1443186), (18, 1202655), (27, 801770), (30, 721593), (45, 481062), (54, 400885), (90, 240531), (135, 160354), (270, 80177)]