21543777

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7411}}^1$

素因数の和:7453

約数の個数: 24

約数和(自身を含む): 34688160

約数和(自身を除く): 13144383

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7411, 22233, 66699, 125987, 140809, 377961, 422427, 1133883, 1267281, 2393753, 7181259, 21543777]

約数ペア:

[(1, 21543777), (3, 7181259), (9, 2393753), (17, 1267281), (19, 1133883), (51, 422427), (57, 377961), (153, 140809), (171, 125987), (323, 66699), (969, 22233), (2907, 7411)]