21093184

素因数分解:

$2^6\times 7^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 56

約数和(自身を含む): 48280320

約数和(自身を除く): 27187136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 197, 224, 239, 394, 448, 478, 788, 956, 1379, 1576, 1673, 1912, 2758, 3152, 3346, 3824, 5516, 6304, 6692, 7648, 11032, 12608, 13384, 15296, 22064, 26768, 44128, 47083, 53536, 88256, 94166, 107072, 188332, 329581, 376664, 659162, 753328, 1318324, 1506656, 2636648, 3013312, 5273296, 10546592, 21093184]

約数ペア:

[(1, 21093184), (2, 10546592), (4, 5273296), (7, 3013312), (8, 2636648), (14, 1506656), (16, 1318324), (28, 753328), (32, 659162), (56, 376664), (64, 329581), (112, 188332), (197, 107072), (224, 94166), (239, 88256), (394, 53536), (448, 47083), (478, 44128), (788, 26768), (956, 22064), (1379, 15296), (1576, 13384), (1673, 12608), (1912, 11032), (2758, 7648), (3152, 6692), (3346, 6304), (3824, 5516)]