21248192

素因数分解:

$2^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1165

約数の個数: 56

約数和(自身を含む): 49353216

約数和(自身を除く): 28105024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 64, 86, 112, 172, 224, 301, 344, 448, 602, 688, 1103, 1204, 1376, 2206, 2408, 2752, 4412, 4816, 7721, 8824, 9632, 15442, 17648, 19264, 30884, 35296, 47429, 61768, 70592, 94858, 123536, 189716, 247072, 332003, 379432, 494144, 664006, 758864, 1328012, 1517728, 2656024, 3035456, 5312048, 10624096, 21248192]

約数ペア:

[(1, 21248192), (2, 10624096), (4, 5312048), (7, 3035456), (8, 2656024), (14, 1517728), (16, 1328012), (28, 758864), (32, 664006), (43, 494144), (56, 379432), (64, 332003), (86, 247072), (112, 189716), (172, 123536), (224, 94858), (301, 70592), (344, 61768), (448, 47429), (602, 35296), (688, 30884), (1103, 19264), (1204, 17648), (1376, 15442), (2206, 9632), (2408, 8824), (2752, 7721), (4412, 4816)]