21792045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{457}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 40494528

約数和(自身を除く): 18702483

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 289, 457, 561, 867, 935, 1371, 1445, 2285, 2805, 3179, 4335, 5027, 6855, 7769, 9537, 15081, 15895, 23307, 25135, 38845, 47685, 75405, 85459, 116535, 132073, 256377, 396219, 427295, 660365, 1281885, 1452803, 1981095, 4358409, 7264015, 21792045]

約数ペア:

[(1, 21792045), (3, 7264015), (5, 4358409), (11, 1981095), (15, 1452803), (17, 1281885), (33, 660365), (51, 427295), (55, 396219), (85, 256377), (165, 132073), (187, 116535), (255, 85459), (289, 75405), (457, 47685), (561, 38845), (867, 25135), (935, 23307), (1371, 15895), (1445, 15081), (2285, 9537), (2805, 7769), (3179, 6855), (4335, 5027)]