21364981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 23886720

約数和(自身を除く): 2521739

約数列:

[1, 11, 103, 109, 173, 1133, 1199, 1903, 11227, 17819, 18857, 123497, 196009, 207427, 1942271, 21364981]

約数ペア:

[(1, 21364981), (11, 1942271), (103, 207427), (109, 196009), (173, 123497), (1133, 18857), (1199, 17819), (1903, 11227)]