21830555

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 27086400

約数和(自身を除く): 5255845

約数列:

[1, 5, 37, 185, 197, 599, 985, 2995, 7289, 22163, 36445, 110815, 118003, 590015, 4366111, 21830555]

約数ペア:

[(1, 21830555), (5, 4366111), (37, 590015), (185, 118003), (197, 110815), (599, 36445), (985, 22163), (2995, 7289)]