21387608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10567}}^1$

素因数の和:10607

約数の個数: 32

約数和(自身を含む): 45653760

約数和(自身を除く): 24266152

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 10567, 21134, 42268, 84536, 116237, 232474, 243041, 464948, 486082, 929896, 972164, 1944328, 2673451, 5346902, 10693804, 21387608]

約数ペア:

[(1, 21387608), (2, 10693804), (4, 5346902), (8, 2673451), (11, 1944328), (22, 972164), (23, 929896), (44, 486082), (46, 464948), (88, 243041), (92, 232474), (184, 116237), (253, 84536), (506, 42268), (1012, 21134), (2024, 10567)]