21025035

素因数分解:

$3^3\times 5^1\times {\mathrm{155741}}^1$

素因数の和:155755

約数の個数: 16

約数和(自身を含む): 37378080

約数和(自身を除く): 16353045

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 155741, 467223, 778705, 1401669, 2336115, 4205007, 7008345, 21025035]

約数ペア:

[(1, 21025035), (3, 7008345), (5, 4205007), (9, 2336115), (15, 1401669), (27, 778705), (45, 467223), (135, 155741)]