21497728

素因数分解:

$2^7\times 7^1\times {\mathrm{23993}}^1$

素因数の和:24014

約数の個数: 32

約数和(自身を含む): 48947760

約数和(自身を除く): 27450032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23993, 47986, 95972, 167951, 191944, 335902, 383888, 671804, 767776, 1343608, 1535552, 2687216, 3071104, 5374432, 10748864, 21497728]

約数ペア:

[(1, 21497728), (2, 10748864), (4, 5374432), (7, 3071104), (8, 2687216), (14, 1535552), (16, 1343608), (28, 767776), (32, 671804), (56, 383888), (64, 335902), (112, 191944), (128, 167951), (224, 95972), (448, 47986), (896, 23993)]