21185842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{337}}^1$

素因数の和:442

約数の個数: 24

約数和(自身を含む): 34551036

約数和(自身を除く): 13365194

約数列:

[1, 2, 17, 34, 43, 86, 337, 674, 731, 1462, 1849, 3698, 5729, 11458, 14491, 28982, 31433, 62866, 246347, 492694, 623113, 1246226, 10592921, 21185842]

約数ペア:

[(1, 21185842), (2, 10592921), (17, 1246226), (34, 623113), (43, 492694), (86, 246347), (337, 62866), (674, 31433), (731, 28982), (1462, 14491), (1849, 11458), (3698, 5729)]