21482355

素因数分解:

$3^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1907}}^1$

素因数の和:2666

約数の個数: 16

約数和(自身を含む): 34435584

約数和(自身を除く): 12953229

約数列:

[1, 3, 5, 15, 751, 1907, 2253, 3755, 5721, 9535, 11265, 28605, 1432157, 4296471, 7160785, 21482355]

約数ペア:

[(1, 21482355), (3, 7160785), (5, 4296471), (15, 1432157), (751, 28605), (1907, 11265), (2253, 9535), (3755, 5721)]