21725823

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1515

約数の個数: 32

約数和(自身を含む): 35684352

約数和(自身を除く): 13958529

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 1451, 2139, 4353, 4991, 10157, 14973, 30471, 33373, 44981, 100119, 134943, 233611, 314867, 700833, 944601, 1034563, 3103689, 7241941, 21725823]

約数ペア:

[(1, 21725823), (3, 7241941), (7, 3103689), (21, 1034563), (23, 944601), (31, 700833), (69, 314867), (93, 233611), (161, 134943), (217, 100119), (483, 44981), (651, 33373), (713, 30471), (1451, 14973), (2139, 10157), (4353, 4991)]