21772912

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6271}}^1$

素因数の和:6317

約数の個数: 40

約数和(自身を含む): 49774592

約数和(自身を除く): 28001680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6271, 12542, 25084, 43897, 50168, 87794, 100336, 175588, 194401, 351176, 388802, 702352, 777604, 1360807, 1555208, 2721614, 3110416, 5443228, 10886456, 21772912]

約数ペア:

[(1, 21772912), (2, 10886456), (4, 5443228), (7, 3110416), (8, 2721614), (14, 1555208), (16, 1360807), (28, 777604), (31, 702352), (56, 388802), (62, 351176), (112, 194401), (124, 175588), (217, 100336), (248, 87794), (434, 50168), (496, 43897), (868, 25084), (1736, 12542), (3472, 6271)]