21104211

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1523}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 29260800

約数和(自身を除く): 8156589

約数列:

[1, 3, 31, 93, 149, 447, 1523, 4569, 4619, 13857, 47213, 141639, 226927, 680781, 7034737, 21104211]

約数ペア:

[(1, 21104211), (3, 7034737), (31, 680781), (93, 226927), (149, 141639), (447, 47213), (1523, 13857), (4569, 4619)]