21192435

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 80

約数和(自身を含む): 42653952

約数和(自身を除く): 21461517

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 67, 71, 81, 99, 135, 165, 201, 213, 297, 335, 355, 405, 495, 603, 639, 737, 781, 891, 1005, 1065, 1485, 1809, 1917, 2211, 2343, 3015, 3195, 3685, 3905, 4455, 4757, 5427, 5751, 6633, 7029, 9045, 9585, 11055, 11715, 14271, 19899, 21087, 23785, 27135, 28755, 33165, 35145, 42813, 52327, 59697, 63261, 71355, 99495, 105435, 128439, 156981, 214065, 261635, 298485, 316305, 385317, 470943, 642195, 784905, 1412829, 1926585, 2354715, 4238487, 7064145, 21192435]

約数ペア:

[(1, 21192435), (3, 7064145), (5, 4238487), (9, 2354715), (11, 1926585), (15, 1412829), (27, 784905), (33, 642195), (45, 470943), (55, 385317), (67, 316305), (71, 298485), (81, 261635), (99, 214065), (135, 156981), (165, 128439), (201, 105435), (213, 99495), (297, 71355), (335, 63261), (355, 59697), (405, 52327), (495, 42813), (603, 35145), (639, 33165), (737, 28755), (781, 27135), (891, 23785), (1005, 21087), (1065, 19899), (1485, 14271), (1809, 11715), (1917, 11055), (2211, 9585), (2343, 9045), (3015, 7029), (3195, 6633), (3685, 5751), (3905, 5427), (4455, 4757)]