21342016

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17551}}^1$

素因数の和:17582

約数の個数: 28

約数和(自身を含む): 44582080

約数和(自身を除く): 23240064

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17551, 35102, 70204, 140408, 280816, 333469, 561632, 666938, 1123264, 1333876, 2667752, 5335504, 10671008, 21342016]

約数ペア:

[(1, 21342016), (2, 10671008), (4, 5335504), (8, 2667752), (16, 1333876), (19, 1123264), (32, 666938), (38, 561632), (64, 333469), (76, 280816), (152, 140408), (304, 70204), (608, 35102), (1216, 17551)]