21756526

素因数分解:

$2^1\times {\mathrm{11}}^4\times {\mathrm{743}}^1$

素因数の和:789

約数の個数: 20

約数和(自身を含む): 35946360

約数和(自身を除く): 14189834

約数列:

[1, 2, 11, 22, 121, 242, 743, 1331, 1486, 2662, 8173, 14641, 16346, 29282, 89903, 179806, 988933, 1977866, 10878263, 21756526]

約数ペア:

[(1, 21756526), (2, 10878263), (11, 1977866), (22, 988933), (121, 179806), (242, 89903), (743, 29282), (1331, 16346), (1486, 14641), (2662, 8173)]