21546784

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2237}}^1$

素因数の和:2297

約数の個数: 48

約数和(自身を含む): 49629888

約数和(自身を除く): 28083104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 344, 602, 688, 1204, 1376, 2237, 2408, 4474, 4816, 8948, 9632, 15659, 17896, 31318, 35792, 62636, 71584, 96191, 125272, 192382, 250544, 384764, 501088, 673337, 769528, 1346674, 1539056, 2693348, 3078112, 5386696, 10773392, 21546784]

約数ペア:

[(1, 21546784), (2, 10773392), (4, 5386696), (7, 3078112), (8, 2693348), (14, 1539056), (16, 1346674), (28, 769528), (32, 673337), (43, 501088), (56, 384764), (86, 250544), (112, 192382), (172, 125272), (224, 96191), (301, 71584), (344, 62636), (602, 35792), (688, 31318), (1204, 17896), (1376, 15659), (2237, 9632), (2408, 8948), (4474, 4816)]