21440976

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 58359360

約数和(自身を除く): 36918384

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 73, 87, 116, 146, 174, 211, 219, 232, 292, 348, 422, 438, 464, 584, 633, 696, 844, 876, 1168, 1266, 1392, 1688, 1752, 2117, 2532, 3376, 3504, 4234, 5064, 6119, 6351, 8468, 10128, 12238, 12702, 15403, 16936, 18357, 24476, 25404, 30806, 33872, 36714, 46209, 48952, 50808, 61612, 73428, 92418, 97904, 101616, 123224, 146856, 184836, 246448, 293712, 369672, 446687, 739344, 893374, 1340061, 1786748, 2680122, 3573496, 5360244, 7146992, 10720488, 21440976]

約数ペア:

[(1, 21440976), (2, 10720488), (3, 7146992), (4, 5360244), (6, 3573496), (8, 2680122), (12, 1786748), (16, 1340061), (24, 893374), (29, 739344), (48, 446687), (58, 369672), (73, 293712), (87, 246448), (116, 184836), (146, 146856), (174, 123224), (211, 101616), (219, 97904), (232, 92418), (292, 73428), (348, 61612), (422, 50808), (438, 48952), (464, 46209), (584, 36714), (633, 33872), (696, 30806), (844, 25404), (876, 24476), (1168, 18357), (1266, 16936), (1392, 15403), (1688, 12702), (1752, 12238), (2117, 10128), (2532, 8468), (3376, 6351), (3504, 6119), (4234, 5064)]