21840810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{728027}}^1$

素因数の和:728037

約数の個数: 16

約数和(自身を含む): 52418016

約数和(自身を除く): 30577206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 728027, 1456054, 2184081, 3640135, 4368162, 7280270, 10920405, 21840810]

約数ペア:

[(1, 21840810), (2, 10920405), (3, 7280270), (5, 4368162), (6, 3640135), (10, 2184081), (15, 1456054), (30, 728027)]