21136533

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1459}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 30835200

約数和(自身を除く): 9698667

約数列:

[1, 3, 11, 33, 439, 1317, 1459, 4377, 4829, 14487, 16049, 48147, 640501, 1921503, 7045511, 21136533]

約数ペア:

[(1, 21136533), (3, 7045511), (11, 1921503), (33, 640501), (439, 48147), (1317, 16049), (1459, 14487), (4377, 4829)]