21784694

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1783}}^1$

素因数の和:1975

約数の個数: 16

約数和(自身を含む): 33717600

約数和(自身を除く): 11932906

約数列:

[1, 2, 41, 82, 149, 298, 1783, 3566, 6109, 12218, 73103, 146206, 265667, 531334, 10892347, 21784694]

約数ペア:

[(1, 21784694), (2, 10892347), (41, 531334), (82, 265667), (149, 146206), (298, 73103), (1783, 12218), (3566, 6109)]