21811449

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12402951

約数列:

[1, 3, 11, 19, 33, 43, 57, 129, 209, 473, 627, 809, 817, 1419, 2427, 2451, 8899, 8987, 15371, 26697, 26961, 34787, 46113, 104361, 169081, 382657, 507243, 660953, 1147971, 1982859, 7270483, 21811449]

約数ペア:

[(1, 21811449), (3, 7270483), (11, 1982859), (19, 1147971), (33, 660953), (43, 507243), (57, 382657), (129, 169081), (209, 104361), (473, 46113), (627, 34787), (809, 26961), (817, 26697), (1419, 15371), (2427, 8987), (2451, 8899)]