21004416

素因数分解:

$2^7\times 3^2\times {\mathrm{18233}}^1$

素因数の和:18253

約数の個数: 48

約数和(自身を含む): 60445710

約数和(自身を除く): 39441294

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 288, 384, 576, 1152, 18233, 36466, 54699, 72932, 109398, 145864, 164097, 218796, 291728, 328194, 437592, 583456, 656388, 875184, 1166912, 1312776, 1750368, 2333824, 2625552, 3500736, 5251104, 7001472, 10502208, 21004416]

約数ペア:

[(1, 21004416), (2, 10502208), (3, 7001472), (4, 5251104), (6, 3500736), (8, 2625552), (9, 2333824), (12, 1750368), (16, 1312776), (18, 1166912), (24, 875184), (32, 656388), (36, 583456), (48, 437592), (64, 328194), (72, 291728), (96, 218796), (128, 164097), (144, 145864), (192, 109398), (288, 72932), (384, 54699), (576, 36466), (1152, 18233)]