21447692

素因数分解:

$2^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1590

約数の個数: 36

約数和(自身を含む): 44289000

約数和(自身を除く): 22841308

約数列:

[1, 2, 4, 7, 14, 28, 49, 73, 98, 146, 196, 292, 511, 1022, 1499, 2044, 2998, 3577, 5996, 7154, 10493, 14308, 20986, 41972, 73451, 109427, 146902, 218854, 293804, 437708, 765989, 1531978, 3063956, 5361923, 10723846, 21447692]

約数ペア:

[(1, 21447692), (2, 10723846), (4, 5361923), (7, 3063956), (14, 1531978), (28, 765989), (49, 437708), (73, 293804), (98, 218854), (146, 146902), (196, 109427), (292, 73451), (511, 41972), (1022, 20986), (1499, 14308), (2044, 10493), (2998, 7154), (3577, 5996)]