21065612

素因数分解:

$2^2\times {\mathrm{839}}^1\times {\mathrm{6277}}^1$

素因数の和:7120

約数の個数: 12

約数和(自身を含む): 36914640

約数和(自身を除く): 15849028

約数列:

[1, 2, 4, 839, 1678, 3356, 6277, 12554, 25108, 5266403, 10532806, 21065612]

約数ペア:

[(1, 21065612), (2, 10532806), (4, 5266403), (839, 25108), (1678, 12554), (3356, 6277)]