21534296

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 49977600

約数和(自身を除く): 28443304

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 56, 74, 76, 133, 148, 152, 259, 266, 296, 518, 532, 547, 703, 1036, 1064, 1094, 1406, 2072, 2188, 2812, 3829, 4376, 4921, 5624, 7658, 9842, 10393, 15316, 19684, 20239, 20786, 30632, 39368, 40478, 41572, 72751, 80956, 83144, 141673, 145502, 161912, 283346, 291004, 384541, 566692, 582008, 769082, 1133384, 1538164, 2691787, 3076328, 5383574, 10767148, 21534296]

約数ペア:

[(1, 21534296), (2, 10767148), (4, 5383574), (7, 3076328), (8, 2691787), (14, 1538164), (19, 1133384), (28, 769082), (37, 582008), (38, 566692), (56, 384541), (74, 291004), (76, 283346), (133, 161912), (148, 145502), (152, 141673), (259, 83144), (266, 80956), (296, 72751), (518, 41572), (532, 40478), (547, 39368), (703, 30632), (1036, 20786), (1064, 20239), (1094, 19684), (1406, 15316), (2072, 10393), (2188, 9842), (2812, 7658), (3829, 5624), (4376, 4921)]