2021105464

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{5107}}^1$

素因数の和:5348

約数の個数: 64

約数和(自身を含む): 4472156160

約数和(自身を除く): 2451050696

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 191, 259, 296, 382, 518, 764, 1036, 1337, 1528, 2072, 2674, 5107, 5348, 7067, 10214, 10696, 14134, 20428, 28268, 35749, 40856, 49469, 56536, 71498, 98938, 142996, 188959, 197876, 285992, 377918, 395752, 755836, 975437, 1322713, 1511672, 1950874, 2645426, 3901748, 5290852, 6828059, 7803496, 10581704, 13656118, 27312236, 36091169, 54624472, 72182338, 144364676, 252638183, 288729352, 505276366, 1010552732, 2021105464]

約数ペア:

[(1, 2021105464), (2, 1010552732), (4, 505276366), (7, 288729352), (8, 252638183), (14, 144364676), (28, 72182338), (37, 54624472), (56, 36091169), (74, 27312236), (148, 13656118), (191, 10581704), (259, 7803496), (296, 6828059), (382, 5290852), (518, 3901748), (764, 2645426), (1036, 1950874), (1337, 1511672), (1528, 1322713), (2072, 975437), (2674, 755836), (5107, 395752), (5348, 377918), (7067, 285992), (10214, 197876), (10696, 188959), (14134, 142996), (20428, 98938), (28268, 71498), (35749, 56536), (40856, 49469)]