21122580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{352043}}^1$

素因数の和:352055

約数の個数: 24

約数和(自身を含む): 59143392

約数和(自身を除く): 38020812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 352043, 704086, 1056129, 1408172, 1760215, 2112258, 3520430, 4224516, 5280645, 7040860, 10561290, 21122580]

約数ペア:

[(1, 21122580), (2, 10561290), (3, 7040860), (4, 5280645), (5, 4224516), (6, 3520430), (10, 2112258), (12, 1760215), (15, 1408172), (20, 1056129), (30, 704086), (60, 352043)]