21130554

素因数分解:

$2^1\times 3^1\times {\mathrm{349}}^1\times {\mathrm{10091}}^1$

素因数の和:10445

約数の個数: 16

約数和(自身を含む): 42386400

約数和(自身を除く): 21255846

約数列:

[1, 2, 3, 6, 349, 698, 1047, 2094, 10091, 20182, 30273, 60546, 3521759, 7043518, 10565277, 21130554]

約数ペア:

[(1, 21130554), (2, 10565277), (3, 7043518), (6, 3521759), (349, 60546), (698, 30273), (1047, 20182), (2094, 10091)]