21182325

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{9739}}^1$

素因数の和:9781

約数の個数: 24

約数和(自身を含む): 36232800

約数和(自身を除く): 15050475

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 9739, 29217, 48695, 146085, 243475, 282431, 730425, 847293, 1412155, 4236465, 7060775, 21182325]

約数ペア:

[(1, 21182325), (3, 7060775), (5, 4236465), (15, 1412155), (25, 847293), (29, 730425), (75, 282431), (87, 243475), (145, 146085), (435, 48695), (725, 29217), (2175, 9739)]