21408310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27803}}^1$

素因数の和:27828

約数の個数: 32

約数和(自身を含む): 48045312

約数和(自身を除く): 26637002

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27803, 55606, 139015, 194621, 278030, 305833, 389242, 611666, 973105, 1529165, 1946210, 2140831, 3058330, 4281662, 10704155, 21408310]

約数ペア:

[(1, 21408310), (2, 10704155), (5, 4281662), (7, 3058330), (10, 2140831), (11, 1946210), (14, 1529165), (22, 973105), (35, 611666), (55, 389242), (70, 305833), (77, 278030), (110, 194621), (154, 139015), (385, 55606), (770, 27803)]