21799845

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13093}}^1$

素因数の和:13141

約数の個数: 24

約数和(自身を含む): 38810616

約数和(自身を除く): 17010771

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 13093, 39279, 65465, 117837, 196395, 484441, 589185, 1453323, 2422205, 4359969, 7266615, 21799845]

約数ペア:

[(1, 21799845), (3, 7266615), (5, 4359969), (9, 2422205), (15, 1453323), (37, 589185), (45, 484441), (111, 196395), (185, 117837), (333, 65465), (555, 39279), (1665, 13093)]