21062930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 44660160

約数和(自身を除く): 23597230

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 179, 205, 287, 358, 410, 574, 895, 1253, 1435, 1681, 1790, 2506, 2870, 3362, 6265, 7339, 8405, 11767, 12530, 14678, 16810, 23534, 36695, 51373, 58835, 73390, 102746, 117670, 256865, 300899, 513730, 601798, 1504495, 2106293, 3008990, 4212586, 10531465, 21062930]

約数ペア:

[(1, 21062930), (2, 10531465), (5, 4212586), (7, 3008990), (10, 2106293), (14, 1504495), (35, 601798), (41, 513730), (70, 300899), (82, 256865), (179, 117670), (205, 102746), (287, 73390), (358, 58835), (410, 51373), (574, 36695), (895, 23534), (1253, 16810), (1435, 14678), (1681, 12530), (1790, 11767), (2506, 8405), (2870, 7339), (3362, 6265)]