21636370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{309091}}^1$

素因数の和:309105

約数の個数: 16

約数和(自身を含む): 44509248

約数和(自身を除く): 22872878

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 309091, 618182, 1545455, 2163637, 3090910, 4327274, 10818185, 21636370]

約数ペア:

[(1, 21636370), (2, 10818185), (5, 4327274), (7, 3090910), (10, 2163637), (14, 1545455), (35, 618182), (70, 309091)]