21000297024

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{5208407}}^1$

素因数の和:5208432

約数の個数: 84

約数和(自身を含む): 68792652864

約数和(自身を除く): 47792355840

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 5208407, 10416814, 15625221, 20833628, 31250442, 36458849, 41667256, 46875663, 62500884, 72917698, 83334512, 93751326, 109376547, 125001768, 145835396, 166669024, 187502652, 218753094, 250003536, 291670792, 328129641, 333338048, 375005304, 437506188, 500007072, 583341584, 656259282, 750010608, 875012376, 1000014144, 1166683168, 1312518564, 1500021216, 1750024752, 2333366336, 2625037128, 3000042432, 3500049504, 5250074256, 7000099008, 10500148512, 21000297024]

約数ペア:

[(1, 21000297024), (2, 10500148512), (3, 7000099008), (4, 5250074256), (6, 3500049504), (7, 3000042432), (8, 2625037128), (9, 2333366336), (12, 1750024752), (14, 1500021216), (16, 1312518564), (18, 1166683168), (21, 1000014144), (24, 875012376), (28, 750010608), (32, 656259282), (36, 583341584), (42, 500007072), (48, 437506188), (56, 375005304), (63, 333338048), (64, 328129641), (72, 291670792), (84, 250003536), (96, 218753094), (112, 187502652), (126, 166669024), (144, 145835396), (168, 125001768), (192, 109376547), (224, 93751326), (252, 83334512), (288, 72917698), (336, 62500884), (448, 46875663), (504, 41667256), (576, 36458849), (672, 31250442), (1008, 20833628), (1344, 15625221), (2016, 10416814), (4032, 5208407)]