21338316

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 57941520

約数和(自身を除く): 36603204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 243, 261, 324, 348, 486, 522, 757, 783, 972, 1044, 1514, 1566, 2271, 2349, 3028, 3132, 4542, 4698, 6813, 7047, 9084, 9396, 13626, 14094, 20439, 21953, 27252, 28188, 40878, 43906, 61317, 65859, 81756, 87812, 122634, 131718, 183951, 197577, 245268, 263436, 367902, 395154, 592731, 735804, 790308, 1185462, 1778193, 2370924, 3556386, 5334579, 7112772, 10669158, 21338316]

約数ペア:

[(1, 21338316), (2, 10669158), (3, 7112772), (4, 5334579), (6, 3556386), (9, 2370924), (12, 1778193), (18, 1185462), (27, 790308), (29, 735804), (36, 592731), (54, 395154), (58, 367902), (81, 263436), (87, 245268), (108, 197577), (116, 183951), (162, 131718), (174, 122634), (243, 87812), (261, 81756), (324, 65859), (348, 61317), (486, 43906), (522, 40878), (757, 28188), (783, 27252), (972, 21953), (1044, 20439), (1514, 14094), (1566, 13626), (2271, 9396), (2349, 9084), (3028, 7047), (3132, 6813), (4542, 4698)]