21412197

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 32923800

約数和(自身を除く): 11511603

約数列:

[1, 3, 9, 17, 51, 153, 349, 401, 1047, 1203, 3141, 3609, 5933, 6817, 17799, 20451, 53397, 61353, 139949, 419847, 1259541, 2379133, 7137399, 21412197]

約数ペア:

[(1, 21412197), (3, 7137399), (9, 2379133), (17, 1259541), (51, 419847), (153, 139949), (349, 61353), (401, 53397), (1047, 20451), (1203, 17799), (3141, 6817), (3609, 5933)]