21459904

素因数分解:

$2^6\times {\mathrm{547}}^1\times {\mathrm{613}}^1$

素因数の和:1172

約数の個数: 28

約数和(自身を含む): 42731944

約数和(自身を除く): 21272040

約数列:

[1, 2, 4, 8, 16, 32, 64, 547, 613, 1094, 1226, 2188, 2452, 4376, 4904, 8752, 9808, 17504, 19616, 35008, 39232, 335311, 670622, 1341244, 2682488, 5364976, 10729952, 21459904]

約数ペア:

[(1, 21459904), (2, 10729952), (4, 5364976), (8, 2682488), (16, 1341244), (32, 670622), (64, 335311), (547, 39232), (613, 35008), (1094, 19616), (1226, 17504), (2188, 9808), (2452, 8752), (4376, 4904)]