21659649

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38609}}^1$

素因数の和:38640

約数の個数: 16

約数和(自身を含む): 33359040

約数和(自身を除く): 11699391

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38609, 115827, 424699, 656353, 1274097, 1969059, 7219883, 21659649]

約数ペア:

[(1, 21659649), (3, 7219883), (11, 1969059), (17, 1274097), (33, 656353), (51, 424699), (187, 115827), (561, 38609)]