21971463

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{18731}}^1$

素因数の和:18774

約数の個数: 16

約数和(自身を含む): 32368896

約数和(自身を除く): 10397433

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 18731, 56193, 318427, 430813, 955281, 1292439, 7323821, 21971463]

約数ペア:

[(1, 21971463), (3, 7323821), (17, 1292439), (23, 955281), (51, 430813), (69, 318427), (391, 56193), (1173, 18731)]