21491138944

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{803347}}^1$

素因数の和:803391

約数の個数: 64

約数和(自身を含む): 49164897600

約数和(自身を除く): 27673758656

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1408, 1672, 2432, 3344, 6688, 13376, 26752, 803347, 1606694, 3213388, 6426776, 8836817, 12853552, 15263593, 17673634, 25707104, 30527186, 35347268, 51414208, 61054372, 70694536, 102828416, 122108744, 141389072, 167899523, 244217488, 282778144, 335799046, 488434976, 565556288, 671598092, 976869952, 1131112576, 1343196184, 1953739904, 2686392368, 5372784736, 10745569472, 21491138944]

約数ペア:

[(1, 21491138944), (2, 10745569472), (4, 5372784736), (8, 2686392368), (11, 1953739904), (16, 1343196184), (19, 1131112576), (22, 976869952), (32, 671598092), (38, 565556288), (44, 488434976), (64, 335799046), (76, 282778144), (88, 244217488), (128, 167899523), (152, 141389072), (176, 122108744), (209, 102828416), (304, 70694536), (352, 61054372), (418, 51414208), (608, 35347268), (704, 30527186), (836, 25707104), (1216, 17673634), (1408, 15263593), (1672, 12853552), (2432, 8836817), (3344, 6426776), (6688, 3213388), (13376, 1606694), (26752, 803347)]