21169544

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2207}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 22548856

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 2207, 2398, 4414, 4796, 8828, 9592, 17656, 24277, 48554, 97108, 194216, 240563, 481126, 962252, 1924504, 2646193, 5292386, 10584772, 21169544]

約数ペア:

[(1, 21169544), (2, 10584772), (4, 5292386), (8, 2646193), (11, 1924504), (22, 962252), (44, 481126), (88, 240563), (109, 194216), (218, 97108), (436, 48554), (872, 24277), (1199, 17656), (2207, 9592), (2398, 8828), (4414, 4796)]