21046592

素因数分解:

$2^6\times 7^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:559

約数の個数: 56

約数和(自身を含む): 48280320

約数和(自身を除く): 27233728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 218, 224, 431, 436, 448, 763, 862, 872, 1526, 1724, 1744, 3017, 3052, 3448, 3488, 6034, 6104, 6896, 6976, 12068, 12208, 13792, 24136, 24416, 27584, 46979, 48272, 48832, 93958, 96544, 187916, 193088, 328853, 375832, 657706, 751664, 1315412, 1503328, 2630824, 3006656, 5261648, 10523296, 21046592]

約数ペア:

[(1, 21046592), (2, 10523296), (4, 5261648), (7, 3006656), (8, 2630824), (14, 1503328), (16, 1315412), (28, 751664), (32, 657706), (56, 375832), (64, 328853), (109, 193088), (112, 187916), (218, 96544), (224, 93958), (431, 48832), (436, 48272), (448, 46979), (763, 27584), (862, 24416), (872, 24136), (1526, 13792), (1724, 12208), (1744, 12068), (3017, 6976), (3052, 6896), (3448, 6104), (3488, 6034)]