21904796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1237}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 40556880

約数和(自身を除く): 18652084

約数列:

[1, 2, 4, 19, 38, 76, 233, 466, 932, 1237, 2474, 4427, 4948, 8854, 17708, 23503, 47006, 94012, 288221, 576442, 1152884, 5476199, 10952398, 21904796]

約数ペア:

[(1, 21904796), (2, 10952398), (4, 5476199), (19, 1152884), (38, 576442), (76, 288221), (233, 94012), (466, 47006), (932, 23503), (1237, 17708), (2474, 8854), (4427, 4948)]