21031780611

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1\times {\mathrm{7717}}^1$

素因数の和:8371

約数の個数: 32

約数和(自身を含む): 29525486848

約数和(自身を除く): 8493706237

約数列:

[1, 3, 37, 43, 111, 129, 571, 1591, 1713, 4773, 7717, 21127, 23151, 24553, 63381, 73659, 285529, 331831, 856587, 908461, 995493, 2725383, 4406407, 12277747, 13219221, 36833241, 163037059, 189475501, 489111177, 568426503, 7010593537, 21031780611]

約数ペア:

[(1, 21031780611), (3, 7010593537), (37, 568426503), (43, 489111177), (111, 189475501), (129, 163037059), (571, 36833241), (1591, 13219221), (1713, 12277747), (4773, 4406407), (7717, 2725383), (21127, 995493), (23151, 908461), (24553, 856587), (63381, 331831), (73659, 285529)]