21708157088

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{4880431}}^1$

素因数の和:4880580

約数の個数: 24

約数和(自身を含む): 43045410240

約数和(自身を除く): 21337253152

約数列:

[1, 2, 4, 8, 16, 32, 139, 278, 556, 1112, 2224, 4448, 4880431, 9760862, 19521724, 39043448, 78086896, 156173792, 678379909, 1356759818, 2713519636, 5427039272, 10854078544, 21708157088]

約数ペア:

[(1, 21708157088), (2, 10854078544), (4, 5427039272), (8, 2713519636), (16, 1356759818), (32, 678379909), (139, 156173792), (278, 78086896), (556, 39043448), (1112, 19521724), (2224, 9760862), (4448, 4880431)]