21006567

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{33827}}^1$

素因数の和:33859

約数の個数: 16

約数和(自身を含む): 32474880

約数和(自身を除く): 11468313

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 33827, 101481, 304443, 778021, 913329, 2334063, 7002189, 21006567]

約数ペア:

[(1, 21006567), (3, 7002189), (9, 2334063), (23, 913329), (27, 778021), (69, 304443), (207, 101481), (621, 33827)]