2181008

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{503}}^1$

素因数の和:782

約数の個数: 20

約数和(自身を含む): 4249728

約数和(自身を除く): 2068720

約数列:

[1, 2, 4, 8, 16, 271, 503, 542, 1006, 1084, 2012, 2168, 4024, 4336, 8048, 136313, 272626, 545252, 1090504, 2181008]

約数ペア:

[(1, 2181008), (2, 1090504), (4, 545252), (8, 272626), (16, 136313), (271, 8048), (503, 4336), (542, 4024), (1006, 2168), (1084, 2012)]