21259300887

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1\times {\mathrm{907}}^1$

素因数の和:1693

約数の個数: 96

約数和(自身を含む): 37429067520

約数和(自身を除く): 16169766633

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 153, 171, 187, 209, 323, 561, 627, 733, 907, 969, 1683, 1881, 2199, 2721, 2907, 3553, 6597, 8063, 8163, 9977, 10659, 12461, 13927, 15419, 17233, 24189, 29931, 31977, 37383, 41781, 46257, 51699, 72567, 89793, 112149, 125343, 137071, 138771, 153197, 155097, 169609, 189563, 236759, 292961, 411213, 459591, 508827, 568689, 664831, 710277, 878883, 1233639, 1378773, 1526481, 1706067, 1994493, 2130831, 2604349, 2636649, 3222571, 5983479, 7313141, 7813047, 9667713, 11302127, 12631789, 21939423, 23439141, 29003139, 33906381, 37895367, 65818269, 101719143, 113686101, 124323397, 138949679, 214740413, 372970191, 416849037, 644221239, 1118910573, 1250547111, 1932663717, 2362144543, 7086433629, 21259300887]

約数ペア:

[(1, 21259300887), (3, 7086433629), (9, 2362144543), (11, 1932663717), (17, 1250547111), (19, 1118910573), (33, 644221239), (51, 416849037), (57, 372970191), (99, 214740413), (153, 138949679), (171, 124323397), (187, 113686101), (209, 101719143), (323, 65818269), (561, 37895367), (627, 33906381), (733, 29003139), (907, 23439141), (969, 21939423), (1683, 12631789), (1881, 11302127), (2199, 9667713), (2721, 7813047), (2907, 7313141), (3553, 5983479), (6597, 3222571), (8063, 2636649), (8163, 2604349), (9977, 2130831), (10659, 1994493), (12461, 1706067), (13927, 1526481), (15419, 1378773), (17233, 1233639), (24189, 878883), (29931, 710277), (31977, 664831), (37383, 568689), (41781, 508827), (46257, 459591), (51699, 411213), (72567, 292961), (89793, 236759), (112149, 189563), (125343, 169609), (137071, 155097), (138771, 153197)]