21081775678

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1\times {\mathrm{4871}}^1$

素因数の和:6024

約数の個数: 32

約数和(自身を含む): 33212229120

約数和(自身を除く): 12130453442

約数列:

[1, 2, 29, 58, 71, 142, 1051, 2059, 2102, 4118, 4871, 9742, 30479, 60958, 74621, 141259, 149242, 282518, 345841, 691682, 2164009, 4328018, 5119421, 10029389, 10238842, 20058778, 148463209, 296926418, 363478891, 726957782, 10540887839, 21081775678]

約数ペア:

[(1, 21081775678), (2, 10540887839), (29, 726957782), (58, 363478891), (71, 296926418), (142, 148463209), (1051, 20058778), (2059, 10238842), (2102, 10029389), (4118, 5119421), (4871, 4328018), (9742, 2164009), (30479, 691682), (60958, 345841), (74621, 282518), (141259, 149242)]