21936258

素因数分解:

$2^1\times 3^4\times {\mathrm{135409}}^1$

素因数の和:135423

約数の個数: 20

約数和(自身を含む): 49153830

約数和(自身を除く): 27217572

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 135409, 270818, 406227, 812454, 1218681, 2437362, 3656043, 7312086, 10968129, 21936258]

約数ペア:

[(1, 21936258), (2, 10968129), (3, 7312086), (6, 3656043), (9, 2437362), (18, 1218681), (27, 812454), (54, 406227), (81, 270818), (162, 135409)]