21706788

素因数分解:

$2^2\times 3^1\times {\mathrm{1039}}^1\times {\mathrm{1741}}^1$

素因数の和:2787

約数の個数: 24

約数和(自身を含む): 50727040

約数和(自身を除く): 29020252

約数列:

[1, 2, 3, 4, 6, 12, 1039, 1741, 2078, 3117, 3482, 4156, 5223, 6234, 6964, 10446, 12468, 20892, 1808899, 3617798, 5426697, 7235596, 10853394, 21706788]

約数ペア:

[(1, 21706788), (2, 10853394), (3, 7235596), (4, 5426697), (6, 3617798), (12, 1808899), (1039, 20892), (1741, 12468), (2078, 10446), (3117, 6964), (3482, 6234), (4156, 5223)]