21000421413

素因数分解:

$3^2\times {\mathrm{229}}^1\times {\mathrm{733}}^1\times {\mathrm{13901}}^1$

素因数の和:14869

約数の個数: 24

約数和(自身を含む): 30510163320

約数和(自身を除く): 9509741907

約数列:

[1, 3, 9, 229, 687, 733, 2061, 2199, 6597, 13901, 41703, 125109, 167857, 503571, 1510713, 3183329, 9549987, 10189433, 28649961, 30568299, 91704897, 2333380157, 7000140471, 21000421413]

約数ペア:

[(1, 21000421413), (3, 7000140471), (9, 2333380157), (229, 91704897), (687, 30568299), (733, 28649961), (2061, 10189433), (2199, 9549987), (6597, 3183329), (13901, 1510713), (41703, 503571), (125109, 167857)]