16629921

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 32409600

約数和(自身を除く): 15779679

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 421, 513, 627, 693, 1197, 1263, 1463, 1881, 2079, 2947, 3591, 3789, 4389, 4631, 5643, 7999, 8841, 11367, 13167, 13893, 23997, 26523, 32417, 39501, 41679, 55993, 71991, 79569, 87989, 97251, 125037, 167979, 215973, 263967, 291753, 503937, 615923, 791901, 875259, 1511811, 1847769, 2375703, 5543307, 16629921]

約数ペア:

[(1, 16629921), (3, 5543307), (7, 2375703), (9, 1847769), (11, 1511811), (19, 875259), (21, 791901), (27, 615923), (33, 503937), (57, 291753), (63, 263967), (77, 215973), (99, 167979), (133, 125037), (171, 97251), (189, 87989), (209, 79569), (231, 71991), (297, 55993), (399, 41679), (421, 39501), (513, 32417), (627, 26523), (693, 23997), (1197, 13893), (1263, 13167), (1463, 11367), (1881, 8841), (2079, 7999), (2947, 5643), (3591, 4631), (3789, 4389)]