21388236

素因数分解:

$2^2\times 3^1\times {\mathrm{577}}^1\times {\mathrm{3089}}^1$

素因数の和:3673

約数の個数: 24

約数和(自身を含む): 50008560

約数和(自身を除く): 28620324

約数列:

[1, 2, 3, 4, 6, 12, 577, 1154, 1731, 2308, 3089, 3462, 6178, 6924, 9267, 12356, 18534, 37068, 1782353, 3564706, 5347059, 7129412, 10694118, 21388236]

約数ペア:

[(1, 21388236), (2, 10694118), (3, 7129412), (4, 5347059), (6, 3564706), (12, 1782353), (577, 37068), (1154, 18534), (1731, 12356), (2308, 9267), (3089, 6924), (3462, 6178)]