12321904

素因数分解:

$2^4\times 7^1\times {\mathrm{110017}}^1$

素因数の和:110032

約数の個数: 20

約数和(自身を含む): 27284464

約数和(自身を除く): 14962560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 110017, 220034, 440068, 770119, 880136, 1540238, 1760272, 3080476, 6160952, 12321904]

約数ペア:

[(1, 12321904), (2, 6160952), (4, 3080476), (7, 1760272), (8, 1540238), (14, 880136), (16, 770119), (28, 440068), (56, 220034), (112, 110017)]