21560550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 59460480

約数和(自身を除く): 37899930

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 73, 75, 110, 146, 150, 165, 179, 219, 275, 330, 358, 365, 438, 537, 550, 730, 803, 825, 895, 1074, 1095, 1606, 1650, 1790, 1825, 1969, 2190, 2409, 2685, 3650, 3938, 4015, 4475, 4818, 5370, 5475, 5907, 8030, 8950, 9845, 10950, 11814, 12045, 13067, 13425, 19690, 20075, 24090, 26134, 26850, 29535, 39201, 40150, 49225, 59070, 60225, 65335, 78402, 98450, 120450, 130670, 143737, 147675, 196005, 287474, 295350, 326675, 392010, 431211, 653350, 718685, 862422, 980025, 1437370, 1960050, 2156055, 3593425, 4312110, 7186850, 10780275, 21560550]

約数ペア:

[(1, 21560550), (2, 10780275), (3, 7186850), (5, 4312110), (6, 3593425), (10, 2156055), (11, 1960050), (15, 1437370), (22, 980025), (25, 862422), (30, 718685), (33, 653350), (50, 431211), (55, 392010), (66, 326675), (73, 295350), (75, 287474), (110, 196005), (146, 147675), (150, 143737), (165, 130670), (179, 120450), (219, 98450), (275, 78402), (330, 65335), (358, 60225), (365, 59070), (438, 49225), (537, 40150), (550, 39201), (730, 29535), (803, 26850), (825, 26134), (895, 24090), (1074, 20075), (1095, 19690), (1606, 13425), (1650, 13067), (1790, 12045), (1825, 11814), (1969, 10950), (2190, 9845), (2409, 8950), (2685, 8030), (3650, 5907), (3938, 5475), (4015, 5370), (4475, 4818)]