21988004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6101}}^1$

素因数の和:6175

約数の個数: 24

約数和(自身を含む): 41518008

約数和(自身を除く): 19530004

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 6101, 12202, 24404, 103717, 207434, 323353, 414868, 646706, 1293412, 5497001, 10994002, 21988004]

約数ペア:

[(1, 21988004), (2, 10994002), (4, 5497001), (17, 1293412), (34, 646706), (53, 414868), (68, 323353), (106, 207434), (212, 103717), (901, 24404), (1802, 12202), (3604, 6101)]