21536547

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{983}}^1$

素因数の和:1162

約数の個数: 16

約数和(自身を含む): 29441280

約数和(自身を除く): 7904733

約数列:

[1, 3, 67, 109, 201, 327, 983, 2949, 7303, 21909, 65861, 107147, 197583, 321441, 7178849, 21536547]

約数ペア:

[(1, 21536547), (3, 7178849), (67, 321441), (109, 197583), (201, 107147), (327, 65861), (983, 21909), (2949, 7303)]