21867354

素因数分解:

$2^1\times 3^3\times {\mathrm{404951}}^1$

素因数の和:404962

約数の個数: 16

約数和(自身を含む): 48594240

約数和(自身を除く): 26726886

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 404951, 809902, 1214853, 2429706, 3644559, 7289118, 10933677, 21867354]

約数ペア:

[(1, 21867354), (2, 10933677), (3, 7289118), (6, 3644559), (9, 2429706), (18, 1214853), (27, 809902), (54, 404951)]