21094389

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 32260800

約数和(自身を除く): 11166411

約数列:

[1, 3, 9, 19, 57, 171, 281, 439, 843, 1317, 2529, 3951, 5339, 8341, 16017, 25023, 48051, 75069, 123359, 370077, 1110231, 2343821, 7031463, 21094389]

約数ペア:

[(1, 21094389), (3, 7031463), (9, 2343821), (19, 1110231), (57, 370077), (171, 123359), (281, 75069), (439, 48051), (843, 25023), (1317, 16017), (2529, 8341), (3951, 5339)]