21587085

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36901}}^1$

素因数の和:36925

約数の個数: 24

約数和(自身を含む): 40296984

約数和(自身を除く): 18709899

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 36901, 110703, 184505, 332109, 479713, 553515, 1439139, 1660545, 2398565, 4317417, 7195695, 21587085]

約数ペア:

[(1, 21587085), (3, 7195695), (5, 4317417), (9, 2398565), (13, 1660545), (15, 1439139), (39, 553515), (45, 479713), (65, 332109), (117, 184505), (195, 110703), (585, 36901)]