21088140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351469}}^1$

素因数の和:351481

約数の個数: 24

約数和(自身を含む): 59046960

約数和(自身を除く): 37958820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351469, 702938, 1054407, 1405876, 1757345, 2108814, 3514690, 4217628, 5272035, 7029380, 10544070, 21088140]

約数ペア:

[(1, 21088140), (2, 10544070), (3, 7029380), (4, 5272035), (5, 4217628), (6, 3514690), (10, 2108814), (12, 1757345), (15, 1405876), (20, 1054407), (30, 702938), (60, 351469)]