21482055

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 43490304

約数和(自身を除く): 22008249

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1451, 1645, 2115, 2961, 4353, 4935, 7255, 10157, 13059, 14805, 21765, 30471, 50785, 65295, 68197, 91413, 152355, 204591, 340985, 457065, 477379, 613773, 1022955, 1432137, 2386895, 3068865, 4296411, 7160685, 21482055]

約数ペア:

[(1, 21482055), (3, 7160685), (5, 4296411), (7, 3068865), (9, 2386895), (15, 1432137), (21, 1022955), (35, 613773), (45, 477379), (47, 457065), (63, 340985), (105, 204591), (141, 152355), (235, 91413), (315, 68197), (329, 65295), (423, 50785), (705, 30471), (987, 21765), (1451, 14805), (1645, 13059), (2115, 10157), (2961, 7255), (4353, 4935)]