21141595

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{919}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 26231040

約数和(自身を除く): 5089445

約数列:

[1, 5, 43, 107, 215, 535, 919, 4595, 4601, 23005, 39517, 98333, 197585, 491665, 4228319, 21141595]

約数ペア:

[(1, 21141595), (5, 4228319), (43, 491665), (107, 197585), (215, 98333), (535, 39517), (919, 23005), (4595, 4601)]