21323456

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4327}}^1$

素因数の和:4357

約数の個数: 56

約数和(自身を含む): 52766976

約数和(自身を除く): 31443520

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4327, 4928, 8654, 17308, 30289, 34616, 47597, 60578, 69232, 95194, 121156, 138464, 190388, 242312, 276928, 333179, 380776, 484624, 666358, 761552, 969248, 1332716, 1523104, 1938496, 2665432, 3046208, 5330864, 10661728, 21323456]

約数ペア:

[(1, 21323456), (2, 10661728), (4, 5330864), (7, 3046208), (8, 2665432), (11, 1938496), (14, 1523104), (16, 1332716), (22, 969248), (28, 761552), (32, 666358), (44, 484624), (56, 380776), (64, 333179), (77, 276928), (88, 242312), (112, 190388), (154, 138464), (176, 121156), (224, 95194), (308, 69232), (352, 60578), (448, 47597), (616, 34616), (704, 30289), (1232, 17308), (2464, 8654), (4327, 4928)]