21251678

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2129}}^1$

素因数の和:2192

約数の個数: 32

約数和(自身を含む): 39260160

約数和(自身を除く): 18008482

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 322, 434, 713, 1426, 2129, 4258, 4991, 9982, 14903, 29806, 48967, 65999, 97934, 131998, 342769, 461993, 685538, 923986, 1517977, 3035954, 10625839, 21251678]

約数ペア:

[(1, 21251678), (2, 10625839), (7, 3035954), (14, 1517977), (23, 923986), (31, 685538), (46, 461993), (62, 342769), (161, 131998), (217, 97934), (322, 65999), (434, 48967), (713, 29806), (1426, 14903), (2129, 9982), (4258, 4991)]