21022065

素因数分解:

$3^3\times 5^1\times {\mathrm{155719}}^1$

素因数の和:155733

約数の個数: 16

約数和(自身を含む): 37372800

約数和(自身を除く): 16350735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 155719, 467157, 778595, 1401471, 2335785, 4204413, 7007355, 21022065]

約数ペア:

[(1, 21022065), (3, 7007355), (5, 4204413), (9, 2335785), (15, 1401471), (27, 778595), (45, 467157), (135, 155719)]