21430040

素因数分解:

$2^3\times 5^1\times {\mathrm{535751}}^1$

素因数の和:535762

約数の個数: 16

約数和(自身を含む): 48217680

約数和(自身を除く): 26787640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535751, 1071502, 2143004, 2678755, 4286008, 5357510, 10715020, 21430040]

約数ペア:

[(1, 21430040), (2, 10715020), (4, 5357510), (5, 4286008), (8, 2678755), (10, 2143004), (20, 1071502), (40, 535751)]