21225495

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34513}}^1$

素因数の和:34562

約数の個数: 16

約数和(自身を含む): 34790112

約数和(自身を除く): 13564617

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 34513, 103539, 172565, 517695, 1415033, 4245099, 7075165, 21225495]

約数ペア:

[(1, 21225495), (3, 7075165), (5, 4245099), (15, 1415033), (41, 517695), (123, 172565), (205, 103539), (615, 34513)]