21371416131

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{74933}}^1$

素因数の和:75123

約数の個数: 32

約数和(自身を含む): 31421924352

約数和(自身を除く): 10050508221

約数列:

[1, 3, 13, 39, 71, 103, 213, 309, 923, 1339, 2769, 4017, 7313, 21939, 74933, 95069, 224799, 285207, 974129, 2922387, 5320243, 7718099, 15960729, 23154297, 69163159, 100335287, 207489477, 301005861, 547985029, 1643955087, 7123805377, 21371416131]

約数ペア:

[(1, 21371416131), (3, 7123805377), (13, 1643955087), (39, 547985029), (71, 301005861), (103, 207489477), (213, 100335287), (309, 69163159), (923, 23154297), (1339, 15960729), (2769, 7718099), (4017, 5320243), (7313, 2922387), (21939, 974129), (74933, 285207), (95069, 224799)]