21029228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11657}}^1$

素因数の和:11713

約数の個数: 24

約数和(自身を含む): 41129424

約数和(自身を除く): 20100196

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11657, 23314, 46628, 128227, 256454, 477937, 512908, 955874, 1911748, 5257307, 10514614, 21029228]

約数ペア:

[(1, 21029228), (2, 10514614), (4, 5257307), (11, 1911748), (22, 955874), (41, 512908), (44, 477937), (82, 256454), (164, 128227), (451, 46628), (902, 23314), (1804, 11657)]