21193248

素因数分解:

$2^5\times 3^1\times {\mathrm{257}}^1\times {\mathrm{859}}^1$

素因数の和:1129

約数の個数: 48

約数和(自身を含む): 55913760

約数和(自身を除く): 34720512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 257, 514, 771, 859, 1028, 1542, 1718, 2056, 2577, 3084, 3436, 4112, 5154, 6168, 6872, 8224, 10308, 12336, 13744, 20616, 24672, 27488, 41232, 82464, 220763, 441526, 662289, 883052, 1324578, 1766104, 2649156, 3532208, 5298312, 7064416, 10596624, 21193248]

約数ペア:

[(1, 21193248), (2, 10596624), (3, 7064416), (4, 5298312), (6, 3532208), (8, 2649156), (12, 1766104), (16, 1324578), (24, 883052), (32, 662289), (48, 441526), (96, 220763), (257, 82464), (514, 41232), (771, 27488), (859, 24672), (1028, 20616), (1542, 13744), (1718, 12336), (2056, 10308), (2577, 8224), (3084, 6872), (3436, 6168), (4112, 5154)]