21030030

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{3709}}^1$

素因数の和:3735

約数の個数: 80

約数和(自身を含む): 64643040

約数和(自身を除く): 43613010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 81, 90, 105, 126, 135, 162, 189, 210, 270, 315, 378, 405, 567, 630, 810, 945, 1134, 1890, 2835, 3709, 5670, 7418, 11127, 18545, 22254, 25963, 33381, 37090, 51926, 55635, 66762, 77889, 100143, 111270, 129815, 155778, 166905, 200286, 233667, 259630, 300429, 333810, 389445, 467334, 500715, 600858, 701001, 778890, 1001430, 1168335, 1402002, 1502145, 2103003, 2336670, 3004290, 3505005, 4206006, 7010010, 10515015, 21030030]

約数ペア:

[(1, 21030030), (2, 10515015), (3, 7010010), (5, 4206006), (6, 3505005), (7, 3004290), (9, 2336670), (10, 2103003), (14, 1502145), (15, 1402002), (18, 1168335), (21, 1001430), (27, 778890), (30, 701001), (35, 600858), (42, 500715), (45, 467334), (54, 389445), (63, 333810), (70, 300429), (81, 259630), (90, 233667), (105, 200286), (126, 166905), (135, 155778), (162, 129815), (189, 111270), (210, 100143), (270, 77889), (315, 66762), (378, 55635), (405, 51926), (567, 37090), (630, 33381), (810, 25963), (945, 22254), (1134, 18545), (1890, 11127), (2835, 7418), (3709, 5670)]