21371806929

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{479}}^1\times {\mathrm{3137}}^1$

素因数の和:4061

約数の個数: 32

約数和(自身を含む): 31233392640

約数和(自身を除く): 9861585711

約数列:

[1, 3, 11, 33, 431, 479, 1293, 1437, 3137, 4741, 5269, 9411, 14223, 15807, 34507, 103521, 206449, 619347, 1352047, 1502623, 2270939, 4056141, 4507869, 6812817, 14872517, 16528853, 44617551, 49586559, 647630513, 1942891539, 7123935643, 21371806929]

約数ペア:

[(1, 21371806929), (3, 7123935643), (11, 1942891539), (33, 647630513), (431, 49586559), (479, 44617551), (1293, 16528853), (1437, 14872517), (3137, 6812817), (4741, 4507869), (5269, 4056141), (9411, 2270939), (14223, 1502623), (15807, 1352047), (34507, 619347), (103521, 206449)]