21094977

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 30945600

約数和(自身を除く): 9850623

約数列:

[1, 3, 17, 29, 51, 87, 289, 493, 839, 867, 1479, 2517, 8381, 14263, 24331, 25143, 42789, 72993, 242471, 413627, 727413, 1240881, 7031659, 21094977]

約数ペア:

[(1, 21094977), (3, 7031659), (17, 1240881), (29, 727413), (51, 413627), (87, 242471), (289, 72993), (493, 42789), (839, 25143), (867, 24331), (1479, 14263), (2517, 8381)]