21284703

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1319}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 33770880

約数和(自身を除く): 12486177

約数列:

[1, 3, 9, 11, 33, 99, 163, 489, 1319, 1467, 1793, 3957, 5379, 11871, 14509, 16137, 43527, 130581, 214997, 644991, 1934973, 2364967, 7094901, 21284703]

約数ペア:

[(1, 21284703), (3, 7094901), (9, 2364967), (11, 1934973), (33, 644991), (99, 214997), (163, 130581), (489, 43527), (1319, 16137), (1467, 14509), (1793, 11871), (3957, 5379)]