21771662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2584

約数の個数: 32

約数和(自身を含む): 39377664

約数和(自身を除く): 17606002

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 187, 253, 374, 391, 506, 782, 2531, 4301, 5062, 8602, 27841, 43027, 55682, 58213, 86054, 116426, 473297, 640343, 946594, 989621, 1280686, 1979242, 10885831, 21771662]

約数ペア:

[(1, 21771662), (2, 10885831), (11, 1979242), (17, 1280686), (22, 989621), (23, 946594), (34, 640343), (46, 473297), (187, 116426), (253, 86054), (374, 58213), (391, 55682), (506, 43027), (782, 27841), (2531, 8602), (4301, 5062)]