21037968

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{773}}^1$

素因数の和:803

約数の個数: 120

約数和(自身を含む): 69870528

約数和(自身を除く): 48832560

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 243, 252, 324, 336, 378, 432, 486, 504, 567, 648, 756, 773, 972, 1008, 1134, 1296, 1512, 1546, 1701, 1944, 2268, 2319, 3024, 3092, 3402, 3888, 4536, 4638, 5411, 6184, 6804, 6957, 9072, 9276, 10822, 12368, 13608, 13914, 16233, 18552, 20871, 21644, 27216, 27828, 32466, 37104, 41742, 43288, 48699, 55656, 62613, 64932, 83484, 86576, 97398, 111312, 125226, 129864, 146097, 166968, 187839, 194796, 250452, 259728, 292194, 333936, 375678, 389592, 438291, 500904, 584388, 751356, 779184, 876582, 1001808, 1168776, 1314873, 1502712, 1753164, 2337552, 2629746, 3005424, 3506328, 5259492, 7012656, 10518984, 21037968]

約数ペア:

[(1, 21037968), (2, 10518984), (3, 7012656), (4, 5259492), (6, 3506328), (7, 3005424), (8, 2629746), (9, 2337552), (12, 1753164), (14, 1502712), (16, 1314873), (18, 1168776), (21, 1001808), (24, 876582), (27, 779184), (28, 751356), (36, 584388), (42, 500904), (48, 438291), (54, 389592), (56, 375678), (63, 333936), (72, 292194), (81, 259728), (84, 250452), (108, 194796), (112, 187839), (126, 166968), (144, 146097), (162, 129864), (168, 125226), (189, 111312), (216, 97398), (243, 86576), (252, 83484), (324, 64932), (336, 62613), (378, 55656), (432, 48699), (486, 43288), (504, 41742), (567, 37104), (648, 32466), (756, 27828), (773, 27216), (972, 21644), (1008, 20871), (1134, 18552), (1296, 16233), (1512, 13914), (1546, 13608), (1701, 12368), (1944, 10822), (2268, 9276), (2319, 9072), (3024, 6957), (3092, 6804), (3402, 6184), (3888, 5411), (4536, 4638)]