21626808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 67046400

約数和(自身を除く): 45419592

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, 193, 203, 232, 276, 322, 348, 386, 406, 483, 552, 579, 609, 644, 667, 696, 772, 812, 966, 1158, 1218, 1288, 1334, 1351, 1544, 1624, 1932, 2001, 2316, 2436, 2668, 2702, 3864, 4002, 4053, 4439, 4632, 4669, 4872, 5336, 5404, 5597, 8004, 8106, 8878, 9338, 10808, 11194, 13317, 14007, 16008, 16212, 16791, 17756, 18676, 22388, 26634, 28014, 31073, 32424, 33582, 35512, 37352, 39179, 44776, 53268, 56028, 62146, 67164, 78358, 93219, 106536, 112056, 117537, 124292, 128731, 134328, 156716, 186438, 235074, 248584, 257462, 313432, 372876, 386193, 470148, 514924, 745752, 772386, 901117, 940296, 1029848, 1544772, 1802234, 2703351, 3089544, 3604468, 5406702, 7208936, 10813404, 21626808]

約数ペア:

[(1, 21626808), (2, 10813404), (3, 7208936), (4, 5406702), (6, 3604468), (7, 3089544), (8, 2703351), (12, 1802234), (14, 1544772), (21, 1029848), (23, 940296), (24, 901117), (28, 772386), (29, 745752), (42, 514924), (46, 470148), (56, 386193), (58, 372876), (69, 313432), (84, 257462), (87, 248584), (92, 235074), (116, 186438), (138, 156716), (161, 134328), (168, 128731), (174, 124292), (184, 117537), (193, 112056), (203, 106536), (232, 93219), (276, 78358), (322, 67164), (348, 62146), (386, 56028), (406, 53268), (483, 44776), (552, 39179), (579, 37352), (609, 35512), (644, 33582), (667, 32424), (696, 31073), (772, 28014), (812, 26634), (966, 22388), (1158, 18676), (1218, 17756), (1288, 16791), (1334, 16212), (1351, 16008), (1544, 14007), (1624, 13317), (1932, 11194), (2001, 10808), (2316, 9338), (2436, 8878), (2668, 8106), (2702, 8004), (3864, 5597), (4002, 5404), (4053, 5336), (4439, 4872), (4632, 4669)]