21479175

素因数分解:

$3^4\times 5^2\times {\mathrm{10607}}^1$

素因数の和:10629

約数の個数: 30

約数和(自身を含む): 39790608

約数和(自身を除く): 18311433

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 10607, 31821, 53035, 95463, 159105, 265175, 286389, 477315, 795525, 859167, 1431945, 2386575, 4295835, 7159725, 21479175]

約数ペア:

[(1, 21479175), (3, 7159725), (5, 4295835), (9, 2386575), (15, 1431945), (25, 859167), (27, 795525), (45, 477315), (75, 286389), (81, 265175), (135, 159105), (225, 95463), (405, 53035), (675, 31821), (2025, 10607)]