21428342

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{12301}}^1$

素因数の和:12383

約数の個数: 16

約数和(自身を含む): 35134512

約数和(自身を除く): 13706170

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 12301, 24602, 159913, 319826, 824167, 1648334, 10714171, 21428342]

約数ペア:

[(1, 21428342), (2, 10714171), (13, 1648334), (26, 824167), (67, 319826), (134, 159913), (871, 24602), (1742, 12301)]