21119264

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{16097}}^1$

素因数の和:16148

約数の個数: 24

約数和(自身を含む): 42595308

約数和(自身を除く): 21476044

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 16097, 32194, 64388, 128776, 257552, 515104, 659977, 1319954, 2639908, 5279816, 10559632, 21119264]

約数ペア:

[(1, 21119264), (2, 10559632), (4, 5279816), (8, 2639908), (16, 1319954), (32, 659977), (41, 515104), (82, 257552), (164, 128776), (328, 64388), (656, 32194), (1312, 16097)]