21722547

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 36347904

約数和(自身を除く): 14625357

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 347, 813, 1041, 1897, 2429, 2981, 3817, 5691, 7287, 8943, 11451, 20867, 26719, 62601, 80157, 94037, 282111, 658259, 1034407, 1974777, 3103221, 7240849, 21722547]

約数ペア:

[(1, 21722547), (3, 7240849), (7, 3103221), (11, 1974777), (21, 1034407), (33, 658259), (77, 282111), (231, 94037), (271, 80157), (347, 62601), (813, 26719), (1041, 20867), (1897, 11451), (2429, 8943), (2981, 7287), (3817, 5691)]