21137301

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{14771}}^1$

素因数の和:14833

約数の個数: 16

約数和(自身を含む): 31907520

約数和(自身を除く): 10770219

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 14771, 44313, 132939, 398817, 782863, 2348589, 7045767, 21137301]

約数ペア:

[(1, 21137301), (3, 7045767), (9, 2348589), (27, 782863), (53, 398817), (159, 132939), (477, 44313), (1431, 14771)]