21379968001

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1399121}}^1$

素因数の和:1399224

約数の個数: 16

約数和(自身を含む): 25519985280

約数和(自身を除く): 4140017279

約数列:

[1, 7, 37, 59, 259, 413, 2183, 15281, 1399121, 9793847, 51767477, 82548139, 362372339, 577836973, 3054281143, 21379968001]

約数ペア:

[(1, 21379968001), (7, 3054281143), (37, 577836973), (59, 362372339), (259, 82548139), (413, 51767477), (2183, 9793847), (15281, 1399121)]