21547029

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{35381}}^1$

素因数の和:35420

約数の個数: 16

約数和(自身を含む): 33966720

約数和(自身を除く): 12419691

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 35381, 106143, 247667, 743001, 1026049, 3078147, 7182343, 21547029]

約数ペア:

[(1, 21547029), (3, 7182343), (7, 3078147), (21, 1026049), (29, 743001), (87, 247667), (203, 106143), (609, 35381)]