21555058

素因数分解:

$2^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{4919}}^1$

素因数の和:5241

約数の個数: 16

約数和(自身を含む): 37077120

約数和(自身を除く): 15522062

約数列:

[1, 2, 7, 14, 313, 626, 2191, 4382, 4919, 9838, 34433, 68866, 1539647, 3079294, 10777529, 21555058]

約数ペア:

[(1, 21555058), (2, 10777529), (7, 3079294), (14, 1539647), (313, 68866), (626, 34433), (2191, 9838), (4382, 4919)]