21497009136

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{22247}}^1$

素因数の和:22790

約数の個数: 80

約数和(自身を含む): 57006851328

約数和(自身を除く): 35509842192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 491, 492, 656, 982, 984, 1473, 1964, 1968, 2946, 3928, 5892, 7856, 11784, 20131, 22247, 23568, 40262, 44494, 60393, 66741, 80524, 88988, 120786, 133482, 161048, 177976, 241572, 266964, 322096, 355952, 483144, 533928, 912127, 966288, 1067856, 1824254, 2736381, 3648508, 5472762, 7297016, 10923277, 10945524, 14594032, 21846554, 21891048, 32769831, 43693108, 43782096, 65539662, 87386216, 131079324, 174772432, 262158648, 447854357, 524317296, 895708714, 1343563071, 1791417428, 2687126142, 3582834856, 5374252284, 7165669712, 10748504568, 21497009136]

約数ペア:

[(1, 21497009136), (2, 10748504568), (3, 7165669712), (4, 5374252284), (6, 3582834856), (8, 2687126142), (12, 1791417428), (16, 1343563071), (24, 895708714), (41, 524317296), (48, 447854357), (82, 262158648), (123, 174772432), (164, 131079324), (246, 87386216), (328, 65539662), (491, 43782096), (492, 43693108), (656, 32769831), (982, 21891048), (984, 21846554), (1473, 14594032), (1964, 10945524), (1968, 10923277), (2946, 7297016), (3928, 5472762), (5892, 3648508), (7856, 2736381), (11784, 1824254), (20131, 1067856), (22247, 966288), (23568, 912127), (40262, 533928), (44494, 483144), (60393, 355952), (66741, 322096), (80524, 266964), (88988, 241572), (120786, 177976), (133482, 161048)]