21187034687

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{4759}}^1$

素因数の和:5056

約数の個数: 48

約数和(自身を含む): 27576964800

約数和(自身を除く): 6389930113

約数列:

[1, 7, 13, 29, 49, 91, 203, 241, 377, 637, 1421, 1687, 2639, 3133, 4759, 6989, 11809, 18473, 21931, 33313, 48923, 61867, 90857, 138011, 153517, 233191, 342461, 433069, 635999, 966077, 1146919, 1794143, 3031483, 4451993, 6762539, 8028433, 12559001, 14909947, 33260651, 56199031, 87913007, 104369629, 232824557, 432388463, 730587403, 1629771899, 3026719241, 21187034687]

約数ペア:

[(1, 21187034687), (7, 3026719241), (13, 1629771899), (29, 730587403), (49, 432388463), (91, 232824557), (203, 104369629), (241, 87913007), (377, 56199031), (637, 33260651), (1421, 14909947), (1687, 12559001), (2639, 8028433), (3133, 6762539), (4759, 4451993), (6989, 3031483), (11809, 1794143), (18473, 1146919), (21931, 966077), (33313, 635999), (48923, 433069), (61867, 342461), (90857, 233191), (138011, 153517)]