21050770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1433}}^1$

素因数の和:1566

約数の個数: 32

約数和(自身を含む): 41195952

約数和(自身を除く): 20145182

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1433, 1469, 2866, 2938, 7165, 7345, 14330, 14690, 18629, 37258, 93145, 161929, 186290, 323858, 809645, 1619290, 2105077, 4210154, 10525385, 21050770]

約数ペア:

[(1, 21050770), (2, 10525385), (5, 4210154), (10, 2105077), (13, 1619290), (26, 809645), (65, 323858), (113, 186290), (130, 161929), (226, 93145), (565, 37258), (1130, 18629), (1433, 14690), (1469, 14330), (2866, 7345), (2938, 7165)]