21162518

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 16784362

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 127, 169, 221, 254, 338, 377, 442, 493, 754, 986, 1651, 2159, 2873, 3302, 3683, 4318, 4901, 5746, 6409, 7366, 9802, 12818, 21463, 28067, 42926, 47879, 56134, 62611, 83317, 95758, 125222, 166634, 364871, 622427, 729742, 813943, 1244854, 1627886, 10581259, 21162518]

約数ペア:

[(1, 21162518), (2, 10581259), (13, 1627886), (17, 1244854), (26, 813943), (29, 729742), (34, 622427), (58, 364871), (127, 166634), (169, 125222), (221, 95758), (254, 83317), (338, 62611), (377, 56134), (442, 47879), (493, 42926), (754, 28067), (986, 21463), (1651, 12818), (2159, 9802), (2873, 7366), (3302, 6409), (3683, 5746), (4318, 4901)]