21392235

素因数分解:

$3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{751}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 38261760

約数和(自身を除く): 16869525

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 211, 633, 751, 1055, 1899, 2253, 3165, 3755, 5697, 6759, 9495, 11265, 20277, 28485, 33795, 101385, 158461, 475383, 792305, 1426149, 2376915, 4278447, 7130745, 21392235]

約数ペア:

[(1, 21392235), (3, 7130745), (5, 4278447), (9, 2376915), (15, 1426149), (27, 792305), (45, 475383), (135, 158461), (211, 101385), (633, 33795), (751, 28485), (1055, 20277), (1899, 11265), (2253, 9495), (3165, 6759), (3755, 5697)]