21812756

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{26863}}^1$

素因数の和:26903

約数の個数: 24

約数和(自身を含む): 45131520

約数和(自身を除く): 23318764

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 26863, 53726, 107452, 188041, 376082, 752164, 779027, 1558054, 3116108, 5453189, 10906378, 21812756]

約数ペア:

[(1, 21812756), (2, 10906378), (4, 5453189), (7, 3116108), (14, 1558054), (28, 779027), (29, 752164), (58, 376082), (116, 188041), (203, 107452), (406, 53726), (812, 26863)]