21202365

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10169}}^1$

素因数の和:10316

約数の個数: 16

約数和(自身を含む): 34171200

約数和(自身を除く): 12968835

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 10169, 30507, 50845, 152535, 1413491, 4240473, 7067455, 21202365]

約数ペア:

[(1, 21202365), (3, 7067455), (5, 4240473), (15, 1413491), (139, 152535), (417, 50845), (695, 30507), (2085, 10169)]