21499744

素因数分解:

$2^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2341}}^1$

素因数の和:2399

約数の個数: 48

約数和(自身を含む): 49575456

約数和(自身を除く): 28075712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 82, 112, 164, 224, 287, 328, 574, 656, 1148, 1312, 2296, 2341, 4592, 4682, 9184, 9364, 16387, 18728, 32774, 37456, 65548, 74912, 95981, 131096, 191962, 262192, 383924, 524384, 671867, 767848, 1343734, 1535696, 2687468, 3071392, 5374936, 10749872, 21499744]

約数ペア:

[(1, 21499744), (2, 10749872), (4, 5374936), (7, 3071392), (8, 2687468), (14, 1535696), (16, 1343734), (28, 767848), (32, 671867), (41, 524384), (56, 383924), (82, 262192), (112, 191962), (164, 131096), (224, 95981), (287, 74912), (328, 65548), (574, 37456), (656, 32774), (1148, 18728), (1312, 16387), (2296, 9364), (2341, 9184), (4592, 4682)]