21079982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136883}}^1$

素因数の和:136903

約数の個数: 16

約数和(自身を含む): 39422592

約数和(自身を除く): 18342610

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136883, 273766, 958181, 1505713, 1916362, 3011426, 10539991, 21079982]

約数ペア:

[(1, 21079982), (2, 10539991), (7, 3011426), (11, 1916362), (14, 1505713), (22, 958181), (77, 273766), (154, 136883)]