21105952

素因数分解:

$2^5\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1597}}^1$

素因数の和:1673

約数の個数: 48

約数和(自身を含む): 48323520

約数和(自身を除く): 27217568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 59, 112, 118, 224, 236, 413, 472, 826, 944, 1597, 1652, 1888, 3194, 3304, 6388, 6608, 11179, 12776, 13216, 22358, 25552, 44716, 51104, 89432, 94223, 178864, 188446, 357728, 376892, 659561, 753784, 1319122, 1507568, 2638244, 3015136, 5276488, 10552976, 21105952]

約数ペア:

[(1, 21105952), (2, 10552976), (4, 5276488), (7, 3015136), (8, 2638244), (14, 1507568), (16, 1319122), (28, 753784), (32, 659561), (56, 376892), (59, 357728), (112, 188446), (118, 178864), (224, 94223), (236, 89432), (413, 51104), (472, 44716), (826, 25552), (944, 22358), (1597, 13216), (1652, 12776), (1888, 11179), (3194, 6608), (3304, 6388)]