21053952

素因数分解:

$2^9\times 3^3\times {\mathrm{1523}}^1$

素因数の和:1550

約数の個数: 80

約数和(自身を含む): 62362080

約数和(自身を除く): 41308128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1523, 1536, 1728, 2304, 3046, 3456, 4569, 4608, 6092, 6912, 9138, 12184, 13707, 13824, 18276, 24368, 27414, 36552, 41121, 48736, 54828, 73104, 82242, 97472, 109656, 146208, 164484, 194944, 219312, 292416, 328968, 389888, 438624, 584832, 657936, 779776, 877248, 1169664, 1315872, 1754496, 2339328, 2631744, 3508992, 5263488, 7017984, 10526976, 21053952]

約数ペア:

[(1, 21053952), (2, 10526976), (3, 7017984), (4, 5263488), (6, 3508992), (8, 2631744), (9, 2339328), (12, 1754496), (16, 1315872), (18, 1169664), (24, 877248), (27, 779776), (32, 657936), (36, 584832), (48, 438624), (54, 389888), (64, 328968), (72, 292416), (96, 219312), (108, 194944), (128, 164484), (144, 146208), (192, 109656), (216, 97472), (256, 82242), (288, 73104), (384, 54828), (432, 48736), (512, 41121), (576, 36552), (768, 27414), (864, 24368), (1152, 18276), (1523, 13824), (1536, 13707), (1728, 12184), (2304, 9138), (3046, 6912), (3456, 6092), (4569, 4608)]