21004554

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4789}}^1$

素因数の和:4854

約数の個数: 32

約数和(自身を含む): 45524160

約数和(自身を除く): 24519606

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 731, 1462, 2193, 4386, 4789, 9578, 14367, 28734, 81413, 162826, 205927, 244239, 411854, 488478, 617781, 1235562, 3500759, 7001518, 10502277, 21004554]

約数ペア:

[(1, 21004554), (2, 10502277), (3, 7001518), (6, 3500759), (17, 1235562), (34, 617781), (43, 488478), (51, 411854), (86, 244239), (102, 205927), (129, 162826), (258, 81413), (731, 28734), (1462, 14367), (2193, 9578), (4386, 4789)]