21852981

素因数分解:

$3^2\times {\mathrm{439}}^1\times {\mathrm{5531}}^1$

素因数の和:5976

約数の個数: 12

約数和(自身を含む): 31643040

約数和(自身を除く): 9790059

約数列:

[1, 3, 9, 439, 1317, 3951, 5531, 16593, 49779, 2428109, 7284327, 21852981]

約数ペア:

[(1, 21852981), (3, 7284327), (9, 2428109), (439, 49779), (1317, 16593), (3951, 5531)]