21543808

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 51279480

約数和(自身を除く): 29735672

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 107, 121, 128, 143, 176, 208, 214, 242, 286, 352, 416, 428, 484, 572, 704, 832, 856, 968, 1144, 1177, 1391, 1408, 1573, 1664, 1712, 1936, 2288, 2354, 2782, 3146, 3424, 3872, 4576, 4708, 5564, 6292, 6848, 7744, 9152, 9416, 11128, 12584, 12947, 13696, 15301, 15488, 18304, 18832, 22256, 25168, 25894, 30602, 37664, 44512, 50336, 51788, 61204, 75328, 89024, 100672, 103576, 122408, 150656, 168311, 178048, 201344, 207152, 244816, 336622, 414304, 489632, 673244, 828608, 979264, 1346488, 1657216, 1958528, 2692976, 5385952, 10771904, 21543808]

約数ペア:

[(1, 21543808), (2, 10771904), (4, 5385952), (8, 2692976), (11, 1958528), (13, 1657216), (16, 1346488), (22, 979264), (26, 828608), (32, 673244), (44, 489632), (52, 414304), (64, 336622), (88, 244816), (104, 207152), (107, 201344), (121, 178048), (128, 168311), (143, 150656), (176, 122408), (208, 103576), (214, 100672), (242, 89024), (286, 75328), (352, 61204), (416, 51788), (428, 50336), (484, 44512), (572, 37664), (704, 30602), (832, 25894), (856, 25168), (968, 22256), (1144, 18832), (1177, 18304), (1391, 15488), (1408, 15301), (1573, 13696), (1664, 12947), (1712, 12584), (1936, 11128), (2288, 9416), (2354, 9152), (2782, 7744), (3146, 6848), (3424, 6292), (3872, 5564), (4576, 4708)]