21909594

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521657}}^1$

素因数の和:521669

約数の個数: 16

約数和(自身を含む): 50079168

約数和(自身を除く): 28169574

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521657, 1043314, 1564971, 3129942, 3651599, 7303198, 10954797, 21909594]

約数ペア:

[(1, 21909594), (2, 10954797), (3, 7303198), (6, 3651599), (7, 3129942), (14, 1564971), (21, 1043314), (42, 521657)]