21434829

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7741}}^1$

素因数の和:7828

約数の個数: 16

約数和(自身を含む): 31215744

約数和(自身を除く): 9780915

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7741, 23223, 100633, 301899, 549611, 1648833, 7144943, 21434829]

約数ペア:

[(1, 21434829), (3, 7144943), (13, 1648833), (39, 549611), (71, 301899), (213, 100633), (923, 23223), (2769, 7741)]