21811833

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3853}}^1$

素因数の和:3913

約数の個数: 24

約数和(自身を含む): 34269768

約数和(自身を除く): 12457935

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 3853, 5661, 11559, 34677, 65501, 142561, 196503, 427683, 589509, 1283049, 2423537, 7270611, 21811833]

約数ペア:

[(1, 21811833), (3, 7270611), (9, 2423537), (17, 1283049), (37, 589509), (51, 427683), (111, 196503), (153, 142561), (333, 65501), (629, 34677), (1887, 11559), (3853, 5661)]