21057036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1753}}^1$

素因数の和:1791

約数の個数: 96

約数和(自身を含む): 66006528

約数和(自身を除く): 44949492

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 1753, 2002, 3003, 3506, 4004, 5259, 6006, 7012, 10518, 12012, 12271, 19283, 21036, 22789, 24542, 36813, 38566, 45578, 49084, 57849, 68367, 73626, 77132, 91156, 115698, 134981, 136734, 147252, 159523, 231396, 250679, 269962, 273468, 319046, 404943, 478569, 501358, 539924, 638092, 752037, 809886, 957138, 1002716, 1504074, 1619772, 1754753, 1914276, 3008148, 3509506, 5264259, 7019012, 10528518, 21057036]

約数ペア:

[(1, 21057036), (2, 10528518), (3, 7019012), (4, 5264259), (6, 3509506), (7, 3008148), (11, 1914276), (12, 1754753), (13, 1619772), (14, 1504074), (21, 1002716), (22, 957138), (26, 809886), (28, 752037), (33, 638092), (39, 539924), (42, 501358), (44, 478569), (52, 404943), (66, 319046), (77, 273468), (78, 269962), (84, 250679), (91, 231396), (132, 159523), (143, 147252), (154, 136734), (156, 134981), (182, 115698), (231, 91156), (273, 77132), (286, 73626), (308, 68367), (364, 57849), (429, 49084), (462, 45578), (546, 38566), (572, 36813), (858, 24542), (924, 22789), (1001, 21036), (1092, 19283), (1716, 12271), (1753, 12012), (2002, 10518), (3003, 7012), (3506, 6006), (4004, 5259)]