21897249

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{337}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 32366880

約数和(自身を除く): 10469631

約数列:

[1, 3, 11, 33, 121, 179, 337, 363, 537, 1011, 1969, 3707, 5907, 11121, 21659, 40777, 60323, 64977, 122331, 180969, 663553, 1990659, 7299083, 21897249]

約数ペア:

[(1, 21897249), (3, 7299083), (11, 1990659), (33, 663553), (121, 180969), (179, 122331), (337, 64977), (363, 60323), (537, 40777), (1011, 21659), (1969, 11121), (3707, 5907)]