21164234

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1129}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 39486720

約数和(自身を除く): 18322486

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 182, 206, 721, 1129, 1339, 1442, 2258, 2678, 7903, 9373, 14677, 15806, 18746, 29354, 102739, 116287, 205478, 232574, 814009, 1511731, 1628018, 3023462, 10582117, 21164234]

約数ペア:

[(1, 21164234), (2, 10582117), (7, 3023462), (13, 1628018), (14, 1511731), (26, 814009), (91, 232574), (103, 205478), (182, 116287), (206, 102739), (721, 29354), (1129, 18746), (1339, 15806), (1442, 14677), (2258, 9373), (2678, 7903)]