21198063

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 28866816

約数和(自身を除く): 7668753

約数列:

[1, 3, 67, 201, 263, 401, 789, 1203, 17621, 26867, 52863, 80601, 105463, 316389, 7066021, 21198063]

約数ペア:

[(1, 21198063), (3, 7066021), (67, 316389), (201, 105463), (263, 80601), (401, 52863), (789, 26867), (1203, 17621)]