21057064

素因数分解:

$2^3\times 7^2\times {\mathrm{53717}}^1$

素因数の和:53737

約数の個数: 24

約数和(自身を含む): 45928890

約数和(自身を除く): 24871826

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53717, 107434, 214868, 376019, 429736, 752038, 1504076, 2632133, 3008152, 5264266, 10528532, 21057064]

約数ペア:

[(1, 21057064), (2, 10528532), (4, 5264266), (7, 3008152), (8, 2632133), (14, 1504076), (28, 752038), (49, 429736), (56, 376019), (98, 214868), (196, 107434), (392, 53717)]