21479418

素因数分解:

$2^1\times 3^4\times {\mathrm{132589}}^1$

素因数の和:132603

約数の個数: 20

約数和(自身を含む): 48130170

約数和(自身を除く): 26650752

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 132589, 265178, 397767, 795534, 1193301, 2386602, 3579903, 7159806, 10739709, 21479418]

約数ペア:

[(1, 21479418), (2, 10739709), (3, 7159806), (6, 3579903), (9, 2386602), (18, 1193301), (27, 795534), (54, 397767), (81, 265178), (162, 132589)]