21440199

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1447}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 31276800

約数和(自身を除く): 9836601

約数列:

[1, 3, 11, 33, 449, 1347, 1447, 4341, 4939, 14817, 15917, 47751, 649703, 1949109, 7146733, 21440199]

約数ペア:

[(1, 21440199), (3, 7146733), (11, 1949109), (33, 649703), (449, 47751), (1347, 15917), (1447, 14817), (4341, 4939)]