21954482

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:634

約数の個数: 24

約数和(自身を含む): 36441468

約数和(自身を除く): 14486986

約数列:

[1, 2, 11, 22, 121, 242, 257, 353, 514, 706, 2827, 3883, 5654, 7766, 31097, 42713, 62194, 85426, 90721, 181442, 997931, 1995862, 10977241, 21954482]

約数ペア:

[(1, 21954482), (2, 10977241), (11, 1995862), (22, 997931), (121, 181442), (242, 90721), (257, 85426), (353, 62194), (514, 42713), (706, 31097), (2827, 7766), (3883, 5654)]