21197952

素因数分解:

$2^7\times 3^2\times {\mathrm{18401}}^1$

素因数の和:18421

約数の個数: 48

約数和(自身を含む): 61002630

約数和(自身を除く): 39804678

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 18401, 36802, 55203, 73604, 110406, 147208, 165609, 220812, 294416, 331218, 441624, 588832, 662436, 883248, 1177664, 1324872, 1766496, 2355328, 2649744, 3532992, 5299488, 7065984, 10598976, 21197952]

約数ペア:

[(1, 21197952), (2, 10598976), (3, 7065984), (4, 5299488), (6, 3532992), (8, 2649744), (9, 2355328), (12, 1766496), (16, 1324872), (18, 1177664), (24, 883248), (32, 662436), (36, 588832), (48, 441624), (64, 331218), (72, 294416), (96, 220812), (128, 165609), (144, 147208), (192, 110406), (288, 73604), (384, 55203), (576, 36802), (1152, 18401)]