21340668

素因数分解:

$2^2\times 3^1\times {\mathrm{439}}^1\times {\mathrm{4051}}^1$

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 49920640

約数和(自身を除く): 28579972

約数列:

[1, 2, 3, 4, 6, 12, 439, 878, 1317, 1756, 2634, 4051, 5268, 8102, 12153, 16204, 24306, 48612, 1778389, 3556778, 5335167, 7113556, 10670334, 21340668]

約数ペア:

[(1, 21340668), (2, 10670334), (3, 7113556), (4, 5335167), (6, 3556778), (12, 1778389), (439, 48612), (878, 24306), (1317, 16204), (1756, 12153), (2634, 8102), (4051, 5268)]