21133952

素因数分解:

$2^7\times 7^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 48796800

約数和(自身を除く): 27662848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 103, 112, 128, 206, 224, 229, 412, 448, 458, 721, 824, 896, 916, 1442, 1603, 1648, 1832, 2884, 3206, 3296, 3664, 5768, 6412, 6592, 7328, 11536, 12824, 13184, 14656, 23072, 23587, 25648, 29312, 46144, 47174, 51296, 92288, 94348, 102592, 165109, 188696, 205184, 330218, 377392, 660436, 754784, 1320872, 1509568, 2641744, 3019136, 5283488, 10566976, 21133952]

約数ペア:

[(1, 21133952), (2, 10566976), (4, 5283488), (7, 3019136), (8, 2641744), (14, 1509568), (16, 1320872), (28, 754784), (32, 660436), (56, 377392), (64, 330218), (103, 205184), (112, 188696), (128, 165109), (206, 102592), (224, 94348), (229, 92288), (412, 51296), (448, 47174), (458, 46144), (721, 29312), (824, 25648), (896, 23587), (916, 23072), (1442, 14656), (1603, 13184), (1648, 12824), (1832, 11536), (2884, 7328), (3206, 6592), (3296, 6412), (3664, 5768)]