21887160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10729}}^1$

素因数の和:10760

約数の個数: 64

約数和(自身を含む): 69530400

約数和(自身を除く): 47643240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10729, 21458, 32187, 42916, 53645, 64374, 85832, 107290, 128748, 160935, 182393, 214580, 257496, 321870, 364786, 429160, 547179, 643740, 729572, 911965, 1094358, 1287480, 1459144, 1823930, 2188716, 2735895, 3647860, 4377432, 5471790, 7295720, 10943580, 21887160]

約数ペア:

[(1, 21887160), (2, 10943580), (3, 7295720), (4, 5471790), (5, 4377432), (6, 3647860), (8, 2735895), (10, 2188716), (12, 1823930), (15, 1459144), (17, 1287480), (20, 1094358), (24, 911965), (30, 729572), (34, 643740), (40, 547179), (51, 429160), (60, 364786), (68, 321870), (85, 257496), (102, 214580), (120, 182393), (136, 160935), (170, 128748), (204, 107290), (255, 85832), (340, 64374), (408, 53645), (510, 42916), (680, 32187), (1020, 21458), (2040, 10729)]