21066848

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:735

約数の個数: 48

約数和(自身を含む): 45786384

約数和(自身を除く): 24719536

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 97, 176, 194, 352, 388, 617, 776, 1067, 1234, 1552, 2134, 2468, 3104, 4268, 4936, 6787, 8536, 9872, 13574, 17072, 19744, 27148, 34144, 54296, 59849, 108592, 119698, 217184, 239396, 478792, 658339, 957584, 1316678, 1915168, 2633356, 5266712, 10533424, 21066848]

約数ペア:

[(1, 21066848), (2, 10533424), (4, 5266712), (8, 2633356), (11, 1915168), (16, 1316678), (22, 957584), (32, 658339), (44, 478792), (88, 239396), (97, 217184), (176, 119698), (194, 108592), (352, 59849), (388, 54296), (617, 34144), (776, 27148), (1067, 19744), (1234, 17072), (1552, 13574), (2134, 9872), (2468, 8536), (3104, 6787), (4268, 4936)]