21275712

素因数分解:

$2^6\times 3^2\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:920

約数の個数: 84

約数和(自身を含む): 62473840

約数和(自身を除く): 41198128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 129, 144, 172, 192, 258, 288, 344, 387, 516, 576, 688, 774, 859, 1032, 1376, 1548, 1718, 2064, 2577, 2752, 3096, 3436, 4128, 5154, 6192, 6872, 7731, 8256, 10308, 12384, 13744, 15462, 20616, 24768, 27488, 30924, 36937, 41232, 54976, 61848, 73874, 82464, 110811, 123696, 147748, 164928, 221622, 247392, 295496, 332433, 443244, 494784, 590992, 664866, 886488, 1181984, 1329732, 1772976, 2363968, 2659464, 3545952, 5318928, 7091904, 10637856, 21275712]

約数ペア:

[(1, 21275712), (2, 10637856), (3, 7091904), (4, 5318928), (6, 3545952), (8, 2659464), (9, 2363968), (12, 1772976), (16, 1329732), (18, 1181984), (24, 886488), (32, 664866), (36, 590992), (43, 494784), (48, 443244), (64, 332433), (72, 295496), (86, 247392), (96, 221622), (129, 164928), (144, 147748), (172, 123696), (192, 110811), (258, 82464), (288, 73874), (344, 61848), (387, 54976), (516, 41232), (576, 36937), (688, 30924), (774, 27488), (859, 24768), (1032, 20616), (1376, 15462), (1548, 13744), (1718, 12384), (2064, 10308), (2577, 8256), (2752, 7731), (3096, 6872), (3436, 6192), (4128, 5154)]