21731949

素因数分解:

$3^3\times {\mathrm{499}}^1\times {\mathrm{1613}}^1$

素因数の和:2121

約数の個数: 16

約数和(自身を含む): 32280000

約数和(自身を除く): 10548051

約数列:

[1, 3, 9, 27, 499, 1497, 1613, 4491, 4839, 13473, 14517, 43551, 804887, 2414661, 7243983, 21731949]

約数ペア:

[(1, 21731949), (3, 7243983), (9, 2414661), (27, 804887), (499, 43551), (1497, 14517), (1613, 13473), (4491, 4839)]