21408064

素因数分解:

$2^6\times {\mathrm{167}}^1\times {\mathrm{2003}}^1$

素因数の和:2182

約数の個数: 28

約数和(自身を含む): 42757344

約数和(自身を除く): 21349280

約数列:

[1, 2, 4, 8, 16, 32, 64, 167, 334, 668, 1336, 2003, 2672, 4006, 5344, 8012, 10688, 16024, 32048, 64096, 128192, 334501, 669002, 1338004, 2676008, 5352016, 10704032, 21408064]

約数ペア:

[(1, 21408064), (2, 10704032), (4, 5352016), (8, 2676008), (16, 1338004), (32, 669002), (64, 334501), (167, 128192), (334, 64096), (668, 32048), (1336, 16024), (2003, 10688), (2672, 8012), (4006, 5344)]