21040974

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19163}}^1$

素因数の和:19232

約数の個数: 24

約数和(自身を含む): 46338552

約数和(自身を除く): 25297578

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19163, 38326, 57489, 114978, 172467, 344934, 1168943, 2337886, 3506829, 7013658, 10520487, 21040974]

約数ペア:

[(1, 21040974), (2, 10520487), (3, 7013658), (6, 3506829), (9, 2337886), (18, 1168943), (61, 344934), (122, 172467), (183, 114978), (366, 57489), (549, 38326), (1098, 19163)]