21806928

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:394

約数の個数: 160

約数和(自身を含む): 73745280

約数和(自身を除く): 51938352

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 27, 33, 36, 39, 44, 48, 52, 54, 66, 72, 78, 88, 99, 104, 108, 117, 132, 143, 144, 156, 176, 198, 208, 216, 234, 264, 286, 297, 312, 351, 353, 396, 429, 432, 468, 528, 572, 594, 624, 702, 706, 792, 858, 936, 1059, 1144, 1188, 1287, 1404, 1412, 1584, 1716, 1872, 2118, 2288, 2376, 2574, 2808, 2824, 3177, 3432, 3861, 3883, 4236, 4589, 4752, 5148, 5616, 5648, 6354, 6864, 7722, 7766, 8472, 9178, 9531, 10296, 11649, 12708, 13767, 15444, 15532, 16944, 18356, 19062, 20592, 23298, 25416, 27534, 30888, 31064, 34947, 36712, 38124, 41301, 46596, 50479, 50832, 55068, 61776, 62128, 69894, 73424, 76248, 82602, 93192, 100958, 104841, 110136, 123903, 139788, 151437, 152496, 165204, 186384, 201916, 209682, 220272, 247806, 279576, 302874, 330408, 403832, 419364, 454311, 495612, 559152, 605748, 660816, 807664, 838728, 908622, 991224, 1211496, 1362933, 1677456, 1817244, 1982448, 2422992, 2725866, 3634488, 5451732, 7268976, 10903464, 21806928]

約数ペア:

[(1, 21806928), (2, 10903464), (3, 7268976), (4, 5451732), (6, 3634488), (8, 2725866), (9, 2422992), (11, 1982448), (12, 1817244), (13, 1677456), (16, 1362933), (18, 1211496), (22, 991224), (24, 908622), (26, 838728), (27, 807664), (33, 660816), (36, 605748), (39, 559152), (44, 495612), (48, 454311), (52, 419364), (54, 403832), (66, 330408), (72, 302874), (78, 279576), (88, 247806), (99, 220272), (104, 209682), (108, 201916), (117, 186384), (132, 165204), (143, 152496), (144, 151437), (156, 139788), (176, 123903), (198, 110136), (208, 104841), (216, 100958), (234, 93192), (264, 82602), (286, 76248), (297, 73424), (312, 69894), (351, 62128), (353, 61776), (396, 55068), (429, 50832), (432, 50479), (468, 46596), (528, 41301), (572, 38124), (594, 36712), (624, 34947), (702, 31064), (706, 30888), (792, 27534), (858, 25416), (936, 23298), (1059, 20592), (1144, 19062), (1188, 18356), (1287, 16944), (1404, 15532), (1412, 15444), (1584, 13767), (1716, 12708), (1872, 11649), (2118, 10296), (2288, 9531), (2376, 9178), (2574, 8472), (2808, 7766), (2824, 7722), (3177, 6864), (3432, 6354), (3861, 5648), (3883, 5616), (4236, 5148), (4589, 4752)]