2021420030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4125347}}^1$

素因数の和:4125368

約数の個数: 24

約数和(自身を含む): 4232607048

約数和(自身を除く): 2211187018

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4125347, 8250694, 20626735, 28877429, 41253470, 57754858, 144387145, 202142003, 288774290, 404284006, 1010710015, 2021420030]

約数ペア:

[(1, 2021420030), (2, 1010710015), (5, 404284006), (7, 288774290), (10, 202142003), (14, 144387145), (35, 57754858), (49, 41253470), (70, 28877429), (98, 20626735), (245, 8250694), (490, 4125347)]