40530021

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 65525760

約数和(自身を除く): 24995739

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 647, 1099, 1941, 2983, 3297, 4529, 8949, 12293, 13587, 20881, 36879, 62643, 86051, 101579, 258153, 304737, 711053, 1930001, 2133159, 5790003, 13510007, 40530021]

約数ペア:

[(1, 40530021), (3, 13510007), (7, 5790003), (19, 2133159), (21, 1930001), (57, 711053), (133, 304737), (157, 258153), (399, 101579), (471, 86051), (647, 62643), (1099, 36879), (1941, 20881), (2983, 13587), (3297, 12293), (4529, 8949)]