21591598

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:636

約数の個数: 32

約数和(自身を含む): 39455424

約数和(自身を除く): 17863826

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 257, 353, 514, 706, 1799, 2471, 3598, 4369, 4942, 6001, 8738, 12002, 30583, 42007, 61166, 84014, 90721, 181442, 635047, 1270094, 1542257, 3084514, 10795799, 21591598]

約数ペア:

[(1, 21591598), (2, 10795799), (7, 3084514), (14, 1542257), (17, 1270094), (34, 635047), (119, 181442), (238, 90721), (257, 84014), (353, 61166), (514, 42007), (706, 30583), (1799, 12002), (2471, 8738), (3598, 6001), (4369, 4942)]