21347756

素因数分解:

$2^2\times {\mathrm{1181}}^1\times {\mathrm{4519}}^1$

素因数の和:5704

約数の個数: 12

約数和(自身を含む): 37398480

約数和(自身を除く): 16050724

約数列:

[1, 2, 4, 1181, 2362, 4519, 4724, 9038, 18076, 5336939, 10673878, 21347756]

約数ペア:

[(1, 21347756), (2, 10673878), (4, 5336939), (1181, 18076), (2362, 9038), (4519, 4724)]