21829054

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:205

約数の個数: 48

約数和(自身を含む): 39132720

約数和(自身を除く): 17303666

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 131, 169, 221, 262, 338, 377, 442, 493, 754, 986, 1703, 2227, 2873, 3406, 3799, 4454, 4901, 5746, 6409, 7598, 9802, 12818, 22139, 28951, 44278, 49387, 57902, 64583, 83317, 98774, 129166, 166634, 376363, 642031, 752726, 839579, 1284062, 1679158, 10914527, 21829054]

約数ペア:

[(1, 21829054), (2, 10914527), (13, 1679158), (17, 1284062), (26, 839579), (29, 752726), (34, 642031), (58, 376363), (131, 166634), (169, 129166), (221, 98774), (262, 83317), (338, 64583), (377, 57902), (442, 49387), (493, 44278), (754, 28951), (986, 22139), (1703, 12818), (2227, 9802), (2873, 7598), (3406, 6409), (3799, 5746), (4454, 4901)]