21624159

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 29538432

約数和(自身を除く): 7914273

約数列:

[1, 3, 53, 159, 307, 443, 921, 1329, 16271, 23479, 48813, 70437, 136001, 408003, 7208053, 21624159]

約数ペア:

[(1, 21624159), (3, 7208053), (53, 408003), (159, 136001), (307, 70437), (443, 48813), (921, 23479), (1329, 16271)]