21279450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{141863}}^1$

素因数の和:141878

約数の個数: 24

約数和(自身を含む): 52773408

約数和(自身を除く): 31493958

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 141863, 283726, 425589, 709315, 851178, 1418630, 2127945, 3546575, 4255890, 7093150, 10639725, 21279450]

約数ペア:

[(1, 21279450), (2, 10639725), (3, 7093150), (5, 4255890), (6, 3546575), (10, 2127945), (15, 1418630), (25, 851178), (30, 709315), (50, 425589), (75, 283726), (150, 141863)]