21809790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{80777}}^1$

素因数の和:80793

約数の個数: 32

約数和(自身を含む): 58160160

約数和(自身を除く): 36350370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 80777, 161554, 242331, 403885, 484662, 726993, 807770, 1211655, 1453986, 2180979, 2423310, 3634965, 4361958, 7269930, 10904895, 21809790]

約数ペア:

[(1, 21809790), (2, 10904895), (3, 7269930), (5, 4361958), (6, 3634965), (9, 2423310), (10, 2180979), (15, 1453986), (18, 1211655), (27, 807770), (30, 726993), (45, 484662), (54, 403885), (90, 242331), (135, 161554), (270, 80777)]