21426939904

素因数分解:

$2^{11}\times {\mathrm{43}}^1\times {\mathrm{243311}}^1$

素因数の和:243376

約数の個数: 48

約数和(自身を含む): 43839956160

約数和(自身を除く): 22413016256

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1024, 1376, 2048, 2752, 5504, 11008, 22016, 44032, 88064, 243311, 486622, 973244, 1946488, 3892976, 7785952, 10462373, 15571904, 20924746, 31143808, 41849492, 62287616, 83698984, 124575232, 167397968, 249150464, 334795936, 498300928, 669591872, 1339183744, 2678367488, 5356734976, 10713469952, 21426939904]

約数ペア:

[(1, 21426939904), (2, 10713469952), (4, 5356734976), (8, 2678367488), (16, 1339183744), (32, 669591872), (43, 498300928), (64, 334795936), (86, 249150464), (128, 167397968), (172, 124575232), (256, 83698984), (344, 62287616), (512, 41849492), (688, 31143808), (1024, 20924746), (1376, 15571904), (2048, 10462373), (2752, 7785952), (5504, 3892976), (11008, 1946488), (22016, 973244), (44032, 486622), (88064, 243311)]