21360010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{305143}}^1$

素因数の和:305157

約数の個数: 16

約数和(自身を含む): 43940736

約数和(自身を除く): 22580726

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 305143, 610286, 1525715, 2136001, 3051430, 4272002, 10680005, 21360010]

約数ペア:

[(1, 21360010), (2, 10680005), (5, 4272002), (7, 3051430), (10, 2136001), (14, 1525715), (35, 610286), (70, 305143)]