21940611

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4999}}^1$

素因数の和:5039

約数の個数: 32

約数和(自身を含む): 38400000

約数和(自身を除く): 16459389

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 4389, 4999, 14997, 34993, 54989, 94981, 104979, 164967, 284943, 384923, 664867, 1044791, 1154769, 1994601, 3134373, 7313537, 21940611]

約数ペア:

[(1, 21940611), (3, 7313537), (7, 3134373), (11, 1994601), (19, 1154769), (21, 1044791), (33, 664867), (57, 384923), (77, 284943), (133, 164967), (209, 104979), (231, 94981), (399, 54989), (627, 34993), (1463, 14997), (4389, 4999)]