21295922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{13033}}^1$

素因数の和:13097

約数の個数: 16

約数和(自身を含む): 34409760

約数和(自身を除く): 13113838

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 13033, 26066, 247627, 495254, 560419, 1120838, 10647961, 21295922]

約数ペア:

[(1, 21295922), (2, 10647961), (19, 1120838), (38, 560419), (43, 495254), (86, 247627), (817, 26066), (1634, 13033)]