21000657672

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{1834439}}^1$

素因数の和:1834507

約数の個数: 64

約数和(自身を含む): 59435856000

約数和(自身を除く): 38435198328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1908, 2862, 3816, 5724, 11448, 1834439, 3668878, 5503317, 7337756, 11006634, 14675512, 16509951, 22013268, 33019902, 44026536, 49529853, 66039804, 97225267, 99059706, 132079608, 194450534, 198119412, 291675801, 388901068, 396238824, 583351602, 777802136, 875027403, 1166703204, 1750054806, 2333406408, 2625082209, 3500109612, 5250164418, 7000219224, 10500328836, 21000657672]

約数ペア:

[(1, 21000657672), (2, 10500328836), (3, 7000219224), (4, 5250164418), (6, 3500109612), (8, 2625082209), (9, 2333406408), (12, 1750054806), (18, 1166703204), (24, 875027403), (27, 777802136), (36, 583351602), (53, 396238824), (54, 388901068), (72, 291675801), (106, 198119412), (108, 194450534), (159, 132079608), (212, 99059706), (216, 97225267), (318, 66039804), (424, 49529853), (477, 44026536), (636, 33019902), (954, 22013268), (1272, 16509951), (1431, 14675512), (1908, 11006634), (2862, 7337756), (3816, 5503317), (5724, 3668878), (11448, 1834439)]