21307083

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12907317

約数列:

[1, 3, 7, 21, 29, 59, 87, 177, 203, 413, 593, 609, 1239, 1711, 1779, 4151, 5133, 11977, 12453, 17197, 34987, 35931, 51591, 104961, 120379, 244909, 361137, 734727, 1014623, 3043869, 7102361, 21307083]

約数ペア:

[(1, 21307083), (3, 7102361), (7, 3043869), (21, 1014623), (29, 734727), (59, 361137), (87, 244909), (177, 120379), (203, 104961), (413, 51591), (593, 35931), (609, 34987), (1239, 17197), (1711, 12453), (1779, 11977), (4151, 5133)]