21140072

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91121}}^1$

素因数の和:91156

約数の個数: 16

約数和(自身を含む): 41004900

約数和(自身を除く): 19864828

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91121, 182242, 364484, 728968, 2642509, 5285018, 10570036, 21140072]

約数ペア:

[(1, 21140072), (2, 10570036), (4, 5285018), (8, 2642509), (29, 728968), (58, 364484), (116, 182242), (232, 91121)]