21052782

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1369

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 27694098

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 174, 186, 261, 279, 522, 558, 899, 1301, 1798, 2602, 2697, 3903, 5394, 7806, 8091, 11709, 16182, 23418, 37729, 40331, 75458, 80662, 113187, 120993, 226374, 241986, 339561, 362979, 679122, 725958, 1169599, 2339198, 3508797, 7017594, 10526391, 21052782]

約数ペア:

[(1, 21052782), (2, 10526391), (3, 7017594), (6, 3508797), (9, 2339198), (18, 1169599), (29, 725958), (31, 679122), (58, 362979), (62, 339561), (87, 241986), (93, 226374), (174, 120993), (186, 113187), (261, 80662), (279, 75458), (522, 40331), (558, 37729), (899, 23418), (1301, 16182), (1798, 11709), (2602, 8091), (2697, 7806), (3903, 5394)]