21295935

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10069}}^1$

素因数の和:10127

約数の個数: 24

約数和(自身を含む): 37702080

約数和(自身を除く): 16406145

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 10069, 30207, 50345, 90621, 151035, 453105, 473243, 1419729, 2366215, 4259187, 7098645, 21295935]

約数ペア:

[(1, 21295935), (3, 7098645), (5, 4259187), (9, 2366215), (15, 1419729), (45, 473243), (47, 453105), (141, 151035), (235, 90621), (423, 50345), (705, 30207), (2115, 10069)]