21191016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11467}}^1$

素因数の和:11494

約数の個数: 64

約数和(自身を含む): 66055680

約数和(自身を除く): 44864664

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11467, 22934, 34401, 45868, 68802, 80269, 91736, 126137, 137604, 160538, 240807, 252274, 275208, 321076, 378411, 481614, 504548, 642152, 756822, 882959, 963228, 1009096, 1513644, 1765918, 1926456, 2648877, 3027288, 3531836, 5297754, 7063672, 10595508, 21191016]

約数ペア:

[(1, 21191016), (2, 10595508), (3, 7063672), (4, 5297754), (6, 3531836), (7, 3027288), (8, 2648877), (11, 1926456), (12, 1765918), (14, 1513644), (21, 1009096), (22, 963228), (24, 882959), (28, 756822), (33, 642152), (42, 504548), (44, 481614), (56, 378411), (66, 321076), (77, 275208), (84, 252274), (88, 240807), (132, 160538), (154, 137604), (168, 126137), (231, 91736), (264, 80269), (308, 68802), (462, 45868), (616, 34401), (924, 22934), (1848, 11467)]