21648228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257717}}^1$

素因数の和:257731

約数の個数: 24

約数和(自身を含む): 57728832

約数和(自身を除く): 36080604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257717, 515434, 773151, 1030868, 1546302, 1804019, 3092604, 3608038, 5412057, 7216076, 10824114, 21648228]

約数ペア:

[(1, 21648228), (2, 10824114), (3, 7216076), (4, 5412057), (6, 3608038), (7, 3092604), (12, 1804019), (14, 1546302), (21, 1030868), (28, 773151), (42, 515434), (84, 257717)]