21744536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2399}}^1$

素因数の和:2519

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 23183464

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 103, 206, 412, 824, 1133, 2266, 2399, 4532, 4798, 9064, 9596, 19192, 26389, 52778, 105556, 211112, 247097, 494194, 988388, 1976776, 2718067, 5436134, 10872268, 21744536]

約数ペア:

[(1, 21744536), (2, 10872268), (4, 5436134), (8, 2718067), (11, 1976776), (22, 988388), (44, 494194), (88, 247097), (103, 211112), (206, 105556), (412, 52778), (824, 26389), (1133, 19192), (2266, 9596), (2399, 9064), (4532, 4798)]