21807614

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:707

約数の個数: 16

約数和(自身を含む): 33180000

約数和(自身を除く): 11372386

約数列:

[1, 2, 157, 199, 314, 349, 398, 698, 31243, 54793, 62486, 69451, 109586, 138902, 10903807, 21807614]

約数ペア:

[(1, 21807614), (2, 10903807), (157, 138902), (199, 109586), (314, 69451), (349, 62486), (398, 54793), (698, 31243)]