21553208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2857}}^1$

素因数の和:2927

約数の個数: 32

約数和(自身を含む): 43212960

約数和(自身を除く): 21659752

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1886, 2857, 3772, 5714, 7544, 11428, 22856, 65711, 117137, 131422, 234274, 262844, 468548, 525688, 937096, 2694151, 5388302, 10776604, 21553208]

約数ペア:

[(1, 21553208), (2, 10776604), (4, 5388302), (8, 2694151), (23, 937096), (41, 525688), (46, 468548), (82, 262844), (92, 234274), (164, 131422), (184, 117137), (328, 65711), (943, 22856), (1886, 11428), (2857, 7544), (3772, 5714)]