21487818

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1543}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 47135232

約数和(自身を除く): 25647414

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 211, 422, 633, 1266, 1543, 2321, 3086, 4629, 4642, 6963, 9258, 13926, 16973, 33946, 50919, 101838, 325573, 651146, 976719, 1953438, 3581303, 7162606, 10743909, 21487818]

約数ペア:

[(1, 21487818), (2, 10743909), (3, 7162606), (6, 3581303), (11, 1953438), (22, 976719), (33, 651146), (66, 325573), (211, 101838), (422, 50919), (633, 33946), (1266, 16973), (1543, 13926), (2321, 9258), (3086, 6963), (4629, 4642)]