21125224

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 44323200

約数和(自身を除く): 23197976

約数列:

[1, 2, 4, 8, 23, 29, 37, 46, 58, 74, 92, 107, 116, 148, 184, 214, 232, 296, 428, 667, 851, 856, 1073, 1334, 1702, 2146, 2461, 2668, 3103, 3404, 3959, 4292, 4922, 5336, 6206, 6808, 7918, 8584, 9844, 12412, 15836, 19688, 24679, 24824, 31672, 49358, 71369, 91057, 98716, 114811, 142738, 182114, 197432, 229622, 285476, 364228, 459244, 570952, 728456, 918488, 2640653, 5281306, 10562612, 21125224]

約数ペア:

[(1, 21125224), (2, 10562612), (4, 5281306), (8, 2640653), (23, 918488), (29, 728456), (37, 570952), (46, 459244), (58, 364228), (74, 285476), (92, 229622), (107, 197432), (116, 182114), (148, 142738), (184, 114811), (214, 98716), (232, 91057), (296, 71369), (428, 49358), (667, 31672), (851, 24824), (856, 24679), (1073, 19688), (1334, 15836), (1702, 12412), (2146, 9844), (2461, 8584), (2668, 7918), (3103, 6808), (3404, 6206), (3959, 5336), (4292, 4922)]