21529071

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4663}}^1$

素因数の和:4697

約数の個数: 24

約数和(自身を含む): 33953920

約数和(自身を除く): 12424849

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 4663, 13989, 41967, 88597, 125901, 265791, 377703, 797373, 1133109, 2392119, 7176357, 21529071]

約数ペア:

[(1, 21529071), (3, 7176357), (9, 2392119), (19, 1133109), (27, 797373), (57, 377703), (81, 265791), (171, 125901), (243, 88597), (513, 41967), (1539, 13989), (4617, 4663)]