21036444

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 61979904

約数和(自身を除く): 40943460

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 23, 26, 33, 39, 41, 44, 46, 52, 66, 69, 78, 82, 92, 123, 132, 138, 143, 156, 164, 169, 246, 253, 276, 286, 299, 338, 429, 451, 492, 506, 507, 533, 572, 598, 676, 759, 858, 897, 902, 943, 1012, 1014, 1066, 1196, 1353, 1518, 1599, 1716, 1794, 1804, 1859, 1886, 2028, 2132, 2706, 2829, 3036, 3198, 3289, 3588, 3718, 3772, 3887, 5412, 5577, 5658, 5863, 6396, 6578, 6929, 7436, 7774, 9867, 10373, 11154, 11316, 11661, 11726, 12259, 13156, 13858, 15548, 17589, 19734, 20746, 20787, 22308, 23322, 23452, 24518, 27716, 31119, 35178, 36777, 39468, 41492, 41574, 42757, 46644, 49036, 62238, 70356, 73554, 76219, 83148, 85514, 124476, 128271, 134849, 147108, 152438, 159367, 171028, 228657, 256542, 269698, 304876, 318734, 404547, 457314, 478101, 513084, 539396, 637468, 809094, 914628, 956202, 1618188, 1753037, 1912404, 3506074, 5259111, 7012148, 10518222, 21036444]

約数ペア:

[(1, 21036444), (2, 10518222), (3, 7012148), (4, 5259111), (6, 3506074), (11, 1912404), (12, 1753037), (13, 1618188), (22, 956202), (23, 914628), (26, 809094), (33, 637468), (39, 539396), (41, 513084), (44, 478101), (46, 457314), (52, 404547), (66, 318734), (69, 304876), (78, 269698), (82, 256542), (92, 228657), (123, 171028), (132, 159367), (138, 152438), (143, 147108), (156, 134849), (164, 128271), (169, 124476), (246, 85514), (253, 83148), (276, 76219), (286, 73554), (299, 70356), (338, 62238), (429, 49036), (451, 46644), (492, 42757), (506, 41574), (507, 41492), (533, 39468), (572, 36777), (598, 35178), (676, 31119), (759, 27716), (858, 24518), (897, 23452), (902, 23322), (943, 22308), (1012, 20787), (1014, 20746), (1066, 19734), (1196, 17589), (1353, 15548), (1518, 13858), (1599, 13156), (1716, 12259), (1794, 11726), (1804, 11661), (1859, 11316), (1886, 11154), (2028, 10373), (2132, 9867), (2706, 7774), (2829, 7436), (3036, 6929), (3198, 6578), (3289, 6396), (3588, 5863), (3718, 5658), (3772, 5577), (3887, 5412)]