21282509121

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{44381}}^1$

素因数の和:44629

約数の個数: 32

約数和(自身を含む): 30676838400

約数和(自身を除く): 9394329279

約数列:

[1, 3, 19, 47, 57, 141, 179, 537, 893, 2679, 3401, 8413, 10203, 25239, 44381, 133143, 159847, 479541, 843239, 2085907, 2529717, 6257721, 7944199, 23832597, 39632233, 118896699, 150939781, 373377353, 452819343, 1120132059, 7094169707, 21282509121]

約数ペア:

[(1, 21282509121), (3, 7094169707), (19, 1120132059), (47, 452819343), (57, 373377353), (141, 150939781), (179, 118896699), (537, 39632233), (893, 23832597), (2679, 7944199), (3401, 6257721), (8413, 2529717), (10203, 2085907), (25239, 843239), (44381, 479541), (133143, 159847)]