21203541567

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{599}}^1$

素因数の和:722

約数の個数: 108

約数和(自身を含む): 36150332400

約数和(自身を除く): 14946790833

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 169, 221, 333, 481, 507, 599, 629, 663, 1369, 1443, 1521, 1797, 1887, 1989, 2873, 4107, 4329, 5391, 5661, 6253, 7787, 8177, 8619, 10183, 12321, 17797, 18759, 22163, 23273, 23361, 24531, 25857, 30549, 53391, 56277, 66489, 69819, 70083, 73593, 91647, 101231, 106301, 132379, 160173, 199467, 209457, 231361, 288119, 302549, 303693, 318903, 376771, 397137, 694083, 820031, 864357, 907647, 911079, 956709, 1130313, 1191411, 1720927, 2082249, 2460093, 2593071, 2722941, 3390939, 3745547, 3933137, 4898023, 5162781, 7380279, 10660403, 11236641, 11799411, 13940527, 14694069, 15488343, 31981209, 33709923, 35398233, 41821581, 44082207, 63674299, 95943627, 125464743, 138585239, 181226851, 191022897, 415755717, 543680553, 573068691, 1247267151, 1631041659, 2355949063, 7067847189, 21203541567]

約数ペア:

[(1, 21203541567), (3, 7067847189), (9, 2355949063), (13, 1631041659), (17, 1247267151), (37, 573068691), (39, 543680553), (51, 415755717), (111, 191022897), (117, 181226851), (153, 138585239), (169, 125464743), (221, 95943627), (333, 63674299), (481, 44082207), (507, 41821581), (599, 35398233), (629, 33709923), (663, 31981209), (1369, 15488343), (1443, 14694069), (1521, 13940527), (1797, 11799411), (1887, 11236641), (1989, 10660403), (2873, 7380279), (4107, 5162781), (4329, 4898023), (5391, 3933137), (5661, 3745547), (6253, 3390939), (7787, 2722941), (8177, 2593071), (8619, 2460093), (10183, 2082249), (12321, 1720927), (17797, 1191411), (18759, 1130313), (22163, 956709), (23273, 911079), (23361, 907647), (24531, 864357), (25857, 820031), (30549, 694083), (53391, 397137), (56277, 376771), (66489, 318903), (69819, 303693), (70083, 302549), (73593, 288119), (91647, 231361), (101231, 209457), (106301, 199467), (132379, 160173)]