21823872

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 69327360

約数和(自身を除く): 47503488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 64, 69, 84, 92, 96, 112, 128, 138, 161, 168, 184, 192, 224, 276, 322, 336, 353, 368, 384, 448, 483, 552, 644, 672, 706, 736, 896, 966, 1059, 1104, 1288, 1344, 1412, 1472, 1932, 2118, 2208, 2471, 2576, 2688, 2824, 2944, 3864, 4236, 4416, 4942, 5152, 5648, 7413, 7728, 8119, 8472, 8832, 9884, 10304, 11296, 14826, 15456, 16238, 16944, 19768, 20608, 22592, 24357, 29652, 30912, 32476, 33888, 39536, 45184, 48714, 56833, 59304, 61824, 64952, 67776, 79072, 97428, 113666, 118608, 129904, 135552, 158144, 170499, 194856, 227332, 237216, 259808, 316288, 340998, 389712, 454664, 474432, 519616, 681996, 779424, 909328, 948864, 1039232, 1363992, 1558848, 1818656, 2727984, 3117696, 3637312, 5455968, 7274624, 10911936, 21823872]

約数ペア:

[(1, 21823872), (2, 10911936), (3, 7274624), (4, 5455968), (6, 3637312), (7, 3117696), (8, 2727984), (12, 1818656), (14, 1558848), (16, 1363992), (21, 1039232), (23, 948864), (24, 909328), (28, 779424), (32, 681996), (42, 519616), (46, 474432), (48, 454664), (56, 389712), (64, 340998), (69, 316288), (84, 259808), (92, 237216), (96, 227332), (112, 194856), (128, 170499), (138, 158144), (161, 135552), (168, 129904), (184, 118608), (192, 113666), (224, 97428), (276, 79072), (322, 67776), (336, 64952), (353, 61824), (368, 59304), (384, 56833), (448, 48714), (483, 45184), (552, 39536), (644, 33888), (672, 32476), (706, 30912), (736, 29652), (896, 24357), (966, 22592), (1059, 20608), (1104, 19768), (1288, 16944), (1344, 16238), (1412, 15456), (1472, 14826), (1932, 11296), (2118, 10304), (2208, 9884), (2471, 8832), (2576, 8472), (2688, 8119), (2824, 7728), (2944, 7413), (3864, 5648), (4236, 5152), (4416, 4942)]