21197344

素因数分解:

$2^5\times 7^1\times {\mathrm{173}}^1\times {\mathrm{547}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 48057408

約数和(自身を除く): 26860064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 173, 224, 346, 547, 692, 1094, 1211, 1384, 2188, 2422, 2768, 3829, 4376, 4844, 5536, 7658, 8752, 9688, 15316, 17504, 19376, 30632, 38752, 61264, 94631, 122528, 189262, 378524, 662417, 757048, 1324834, 1514096, 2649668, 3028192, 5299336, 10598672, 21197344]

約数ペア:

[(1, 21197344), (2, 10598672), (4, 5299336), (7, 3028192), (8, 2649668), (14, 1514096), (16, 1324834), (28, 757048), (32, 662417), (56, 378524), (112, 189262), (173, 122528), (224, 94631), (346, 61264), (547, 38752), (692, 30632), (1094, 19376), (1211, 17504), (1384, 15316), (2188, 9688), (2422, 8752), (2768, 7658), (3829, 5536), (4376, 4844)]