21422961

素因数分解:

$3^4\times 7^1\times {\mathrm{37783}}^1$

素因数の和:37802

約数の個数: 20

約数和(自身を含む): 36574912

約数和(自身を除く): 15151951

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 37783, 113349, 264481, 340047, 793443, 1020141, 2380329, 3060423, 7140987, 21422961]

約数ペア:

[(1, 21422961), (3, 7140987), (7, 3060423), (9, 2380329), (21, 1020141), (27, 793443), (63, 340047), (81, 264481), (189, 113349), (567, 37783)]