21036745

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2459}}^1$

素因数の和:2552

約数の個数: 16

約数和(自身を含む): 26568000

約数和(自身を除く): 5531255

約数列:

[1, 5, 29, 59, 145, 295, 1711, 2459, 8555, 12295, 71311, 145081, 356555, 725405, 4207349, 21036745]

約数ペア:

[(1, 21036745), (5, 4207349), (29, 725405), (59, 356555), (145, 145081), (295, 71311), (1711, 12295), (2459, 8555)]