21229593

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 37866240

約数和(自身を除く): 16636647

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 399, 539, 627, 691, 931, 1463, 1617, 2073, 2793, 4389, 4837, 7601, 10241, 13129, 14511, 22803, 30723, 33859, 39387, 53207, 91903, 101577, 144419, 159621, 275709, 372449, 433257, 643321, 1010933, 1117347, 1929963, 3032799, 7076531, 21229593]

約数ペア:

[(1, 21229593), (3, 7076531), (7, 3032799), (11, 1929963), (19, 1117347), (21, 1010933), (33, 643321), (49, 433257), (57, 372449), (77, 275709), (133, 159621), (147, 144419), (209, 101577), (231, 91903), (399, 53207), (539, 39387), (627, 33859), (691, 30723), (931, 22803), (1463, 14511), (1617, 13129), (2073, 10241), (2793, 7601), (4389, 4837)]