21473424

素因数分解:

$2^4\times 3^6\times 7^1\times {\mathrm{263}}^1$

素因数の和:296

約数の個数: 140

約数和(自身を含む): 71560896

約数和(自身を除く): 50087472

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, 263, 324, 336, 378, 432, 486, 504, 526, 567, 648, 729, 756, 789, 972, 1008, 1052, 1134, 1296, 1458, 1512, 1578, 1701, 1841, 1944, 2104, 2268, 2367, 2916, 3024, 3156, 3402, 3682, 3888, 4208, 4536, 4734, 5103, 5523, 5832, 6312, 6804, 7101, 7364, 9072, 9468, 10206, 11046, 11664, 12624, 13608, 14202, 14728, 16569, 18936, 20412, 21303, 22092, 27216, 28404, 29456, 33138, 37872, 40824, 42606, 44184, 49707, 56808, 63909, 66276, 81648, 85212, 88368, 99414, 113616, 127818, 132552, 149121, 170424, 191727, 198828, 255636, 265104, 298242, 340848, 383454, 397656, 447363, 511272, 596484, 766908, 795312, 894726, 1022544, 1192968, 1342089, 1533816, 1789452, 2385936, 2684178, 3067632, 3578904, 5368356, 7157808, 10736712, 21473424]

約数ペア:

[(1, 21473424), (2, 10736712), (3, 7157808), (4, 5368356), (6, 3578904), (7, 3067632), (8, 2684178), (9, 2385936), (12, 1789452), (14, 1533816), (16, 1342089), (18, 1192968), (21, 1022544), (24, 894726), (27, 795312), (28, 766908), (36, 596484), (42, 511272), (48, 447363), (54, 397656), (56, 383454), (63, 340848), (72, 298242), (81, 265104), (84, 255636), (108, 198828), (112, 191727), (126, 170424), (144, 149121), (162, 132552), (168, 127818), (189, 113616), (216, 99414), (243, 88368), (252, 85212), (263, 81648), (324, 66276), (336, 63909), (378, 56808), (432, 49707), (486, 44184), (504, 42606), (526, 40824), (567, 37872), (648, 33138), (729, 29456), (756, 28404), (789, 27216), (972, 22092), (1008, 21303), (1052, 20412), (1134, 18936), (1296, 16569), (1458, 14728), (1512, 14202), (1578, 13608), (1701, 12624), (1841, 11664), (1944, 11046), (2104, 10206), (2268, 9468), (2367, 9072), (2916, 7364), (3024, 7101), (3156, 6804), (3402, 6312), (3682, 5832), (3888, 5523), (4208, 5103), (4536, 4734)]