21343821

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9133}}^1$

素因数の和:9196

約数の個数: 16

約数和(自身を含む): 30690240

約数和(自身を除く): 9346419

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 9133, 27399, 173527, 374453, 520581, 1123359, 7114607, 21343821]

約数ペア:

[(1, 21343821), (3, 7114607), (19, 1123359), (41, 520581), (57, 374453), (123, 173527), (779, 27399), (2337, 9133)]