21606930368

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19859311}}^1$

素因数の和:19859340

約数の個数: 28

約数和(自身を含む): 45398387232

約数和(自身を除く): 23791456864

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 19859311, 39718622, 79437244, 158874488, 317748976, 337608287, 635497952, 675216574, 1270995904, 1350433148, 2700866296, 5401732592, 10803465184, 21606930368]

約数ペア:

[(1, 21606930368), (2, 10803465184), (4, 5401732592), (8, 2700866296), (16, 1350433148), (17, 1270995904), (32, 675216574), (34, 635497952), (64, 337608287), (68, 317748976), (136, 158874488), (272, 79437244), (544, 39718622), (1088, 19859311)]