21103698291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 31705497600

約数和(自身を除く): 10601799309

約数列:

[1, 3, 13, 31, 39, 93, 149, 193, 403, 447, 579, 607, 1209, 1821, 1937, 2509, 4619, 5811, 5983, 7527, 7891, 13857, 17949, 18817, 23673, 28757, 56451, 60047, 77779, 86271, 90443, 117151, 180141, 233337, 244621, 271329, 351453, 373841, 733863, 891467, 1121523, 1175759, 1522963, 2674401, 2803733, 3527277, 3631681, 4568889, 8411199, 10895043, 11589071, 17455499, 34767213, 36448529, 47211853, 52366497, 109345587, 141635559, 226921487, 541120469, 680764461, 1623361407, 7034566097, 21103698291]

約数ペア:

[(1, 21103698291), (3, 7034566097), (13, 1623361407), (31, 680764461), (39, 541120469), (93, 226921487), (149, 141635559), (193, 109345587), (403, 52366497), (447, 47211853), (579, 36448529), (607, 34767213), (1209, 17455499), (1821, 11589071), (1937, 10895043), (2509, 8411199), (4619, 4568889), (5811, 3631681), (5983, 3527277), (7527, 2803733), (7891, 2674401), (13857, 1522963), (17949, 1175759), (18817, 1121523), (23673, 891467), (28757, 733863), (56451, 373841), (60047, 351453), (77779, 271329), (86271, 244621), (90443, 233337), (117151, 180141)]