21046690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{300667}}^1$

素因数の和:300681

約数の個数: 16

約数和(自身を含む): 43296192

約数和(自身を除く): 22249502

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 300667, 601334, 1503335, 2104669, 3006670, 4209338, 10523345, 21046690]

約数ペア:

[(1, 21046690), (2, 10523345), (5, 4209338), (7, 3006670), (10, 2104669), (14, 1503335), (35, 601334), (70, 300667)]