21402696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 44952504

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 29, 42, 46, 56, 58, 69, 84, 87, 92, 116, 138, 161, 168, 174, 184, 191, 203, 232, 276, 322, 348, 382, 406, 483, 552, 573, 609, 644, 667, 696, 764, 812, 966, 1146, 1218, 1288, 1334, 1337, 1528, 1624, 1932, 2001, 2292, 2436, 2668, 2674, 3864, 4002, 4011, 4393, 4584, 4669, 4872, 5336, 5348, 5539, 8004, 8022, 8786, 9338, 10696, 11078, 13179, 14007, 16008, 16044, 16617, 17572, 18676, 22156, 26358, 28014, 30751, 32088, 33234, 35144, 37352, 38773, 44312, 52716, 56028, 61502, 66468, 77546, 92253, 105432, 112056, 116319, 123004, 127397, 132936, 155092, 184506, 232638, 246008, 254794, 310184, 369012, 382191, 465276, 509588, 738024, 764382, 891779, 930552, 1019176, 1528764, 1783558, 2675337, 3057528, 3567116, 5350674, 7134232, 10701348, 21402696]

約数ペア:

[(1, 21402696), (2, 10701348), (3, 7134232), (4, 5350674), (6, 3567116), (7, 3057528), (8, 2675337), (12, 1783558), (14, 1528764), (21, 1019176), (23, 930552), (24, 891779), (28, 764382), (29, 738024), (42, 509588), (46, 465276), (56, 382191), (58, 369012), (69, 310184), (84, 254794), (87, 246008), (92, 232638), (116, 184506), (138, 155092), (161, 132936), (168, 127397), (174, 123004), (184, 116319), (191, 112056), (203, 105432), (232, 92253), (276, 77546), (322, 66468), (348, 61502), (382, 56028), (406, 52716), (483, 44312), (552, 38773), (573, 37352), (609, 35144), (644, 33234), (667, 32088), (696, 30751), (764, 28014), (812, 26358), (966, 22156), (1146, 18676), (1218, 17572), (1288, 16617), (1334, 16044), (1337, 16008), (1528, 14007), (1624, 13179), (1932, 11078), (2001, 10696), (2292, 9338), (2436, 8786), (2668, 8022), (2674, 8004), (3864, 5539), (4002, 5348), (4011, 5336), (4393, 4872), (4584, 4669)]