21000679028

素因数分解:

$2^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1093}}^1\times {\mathrm{1549}}^1$

素因数の和:3096

約数の個数: 48

約数和(自身を含む): 42161884800

約数和(自身を除く): 21161205772

約数列:

[1, 2, 4, 7, 14, 28, 443, 886, 1093, 1549, 1772, 2186, 3098, 3101, 4372, 6196, 6202, 7651, 10843, 12404, 15302, 21686, 30604, 43372, 484199, 686207, 968398, 1372414, 1693057, 1936796, 2744828, 3386114, 3389393, 4803449, 6772228, 6778786, 9606898, 11851399, 13557572, 19213796, 23702798, 47405596, 750024251, 1500048502, 3000097004, 5250169757, 10500339514, 21000679028]

約数ペア:

[(1, 21000679028), (2, 10500339514), (4, 5250169757), (7, 3000097004), (14, 1500048502), (28, 750024251), (443, 47405596), (886, 23702798), (1093, 19213796), (1549, 13557572), (1772, 11851399), (2186, 9606898), (3098, 6778786), (3101, 6772228), (4372, 4803449), (6196, 3389393), (6202, 3386114), (7651, 2744828), (10843, 1936796), (12404, 1693057), (15302, 1372414), (21686, 968398), (30604, 686207), (43372, 484199)]