21347427

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18199}}^1$

素因数の和:18242

約数の個数: 16

約数和(自身を含む): 31449600

約数和(自身を除く): 10102173

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 18199, 54597, 309383, 418577, 928149, 1255731, 7115809, 21347427]

約数ペア:

[(1, 21347427), (3, 7115809), (17, 1255731), (23, 928149), (51, 418577), (69, 309383), (391, 54597), (1173, 18199)]