21332868

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2089}}^1$

素因数の和:2156

約数の個数: 48

約数和(自身を含む): 53370240

約数和(自身を除く): 32037372

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 92, 111, 138, 148, 222, 276, 444, 851, 1702, 2089, 2553, 3404, 4178, 5106, 6267, 8356, 10212, 12534, 25068, 48047, 77293, 96094, 144141, 154586, 192188, 231879, 288282, 309172, 463758, 576564, 927516, 1777739, 3555478, 5333217, 7110956, 10666434, 21332868]

約数ペア:

[(1, 21332868), (2, 10666434), (3, 7110956), (4, 5333217), (6, 3555478), (12, 1777739), (23, 927516), (37, 576564), (46, 463758), (69, 309172), (74, 288282), (92, 231879), (111, 192188), (138, 154586), (148, 144141), (222, 96094), (276, 77293), (444, 48047), (851, 25068), (1702, 12534), (2089, 10212), (2553, 8356), (3404, 6267), (4178, 5106)]