21107636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{547}}^1\times {\mathrm{877}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 40416096

約数和(自身を除く): 19308460

約数列:

[1, 2, 4, 11, 22, 44, 547, 877, 1094, 1754, 2188, 3508, 6017, 9647, 12034, 19294, 24068, 38588, 479719, 959438, 1918876, 5276909, 10553818, 21107636]

約数ペア:

[(1, 21107636), (2, 10553818), (4, 5276909), (11, 1918876), (22, 959438), (44, 479719), (547, 38588), (877, 24068), (1094, 19294), (1754, 12034), (2188, 9647), (3508, 6017)]