21027604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21283}}^1$

素因数の和:21319

約数の個数: 24

約数和(自身を含む): 41716640

約数和(自身を除く): 20689036

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21283, 42566, 85132, 276679, 404377, 553358, 808754, 1106716, 1617508, 5256901, 10513802, 21027604]

約数ペア:

[(1, 21027604), (2, 10513802), (4, 5256901), (13, 1617508), (19, 1106716), (26, 808754), (38, 553358), (52, 404377), (76, 276679), (247, 85132), (494, 42566), (988, 21283)]