21329607

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7703}}^1$

素因数の和:7790

約数の個数: 16

約数和(自身を含む): 31062528

約数和(自身を除く): 9732921

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7703, 23109, 100139, 300417, 546913, 1640739, 7109869, 21329607]

約数ペア:

[(1, 21329607), (3, 7109869), (13, 1640739), (39, 546913), (71, 300417), (213, 100139), (923, 23109), (2769, 7703)]