21496728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{761}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 59253120

約数和(自身を除く): 37756392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 107, 132, 214, 264, 321, 428, 642, 761, 856, 1177, 1284, 1522, 2283, 2354, 2568, 3044, 3531, 4566, 4708, 6088, 7062, 8371, 9132, 9416, 14124, 16742, 18264, 25113, 28248, 33484, 50226, 66968, 81427, 100452, 162854, 200904, 244281, 325708, 488562, 651416, 895697, 977124, 1791394, 1954248, 2687091, 3582788, 5374182, 7165576, 10748364, 21496728]

約数ペア:

[(1, 21496728), (2, 10748364), (3, 7165576), (4, 5374182), (6, 3582788), (8, 2687091), (11, 1954248), (12, 1791394), (22, 977124), (24, 895697), (33, 651416), (44, 488562), (66, 325708), (88, 244281), (107, 200904), (132, 162854), (214, 100452), (264, 81427), (321, 66968), (428, 50226), (642, 33484), (761, 28248), (856, 25113), (1177, 18264), (1284, 16742), (1522, 14124), (2283, 9416), (2354, 9132), (2568, 8371), (3044, 7062), (3531, 6088), (4566, 4708)]