21849261

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4931}}^1$

素因数の和:5152

約数の個数: 16

約数和(自身を含む): 33458688

約数和(自身を除く): 11609427

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 4931, 14793, 34517, 103551, 1040441, 3121323, 7283087, 21849261]

約数ペア:

[(1, 21849261), (3, 7283087), (7, 3121323), (21, 1040441), (211, 103551), (633, 34517), (1477, 14793), (4431, 4931)]