21671672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{643}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 22841608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 383, 643, 766, 1286, 1532, 2572, 3064, 4213, 5144, 7073, 8426, 14146, 16852, 28292, 33704, 56584, 246269, 492538, 985076, 1970152, 2708959, 5417918, 10835836, 21671672]

約数ペア:

[(1, 21671672), (2, 10835836), (4, 5417918), (8, 2708959), (11, 1970152), (22, 985076), (44, 492538), (88, 246269), (383, 56584), (643, 33704), (766, 28292), (1286, 16852), (1532, 14146), (2572, 8426), (3064, 7073), (4213, 5144)]