21189252

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252253}}^1$

素因数の和:252267

約数の個数: 24

約数和(自身を含む): 56504896

約数和(自身を除く): 35315644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252253, 504506, 756759, 1009012, 1513518, 1765771, 3027036, 3531542, 5297313, 7063084, 10594626, 21189252]

約数ペア:

[(1, 21189252), (2, 10594626), (3, 7063084), (4, 5297313), (6, 3531542), (7, 3027036), (12, 1765771), (14, 1513518), (21, 1009012), (28, 756759), (42, 504506), (84, 252253)]