2154.0000000

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{142609}}^1$

素因数の和:142621

約数の個数: 24

約数和(自身を含む): 23958480

約数和(自身を除く): 15401940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 142609, 285218, 427827, 570436, 713045, 855654, 1426090, 1711308, 2139135, 2852180, 4278270, 8556540]

約数ペア:

[(1, 8556540), (2, 4278270), (3, 2852180), (4, 2139135), (5, 1711308), (6, 1426090), (10, 855654), (12, 713045), (15, 570436), (20, 427827), (30, 285218), (60, 142609)]