21174756

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30717084

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 71, 87, 116, 142, 174, 213, 284, 348, 426, 852, 857, 1714, 2059, 2571, 3428, 4118, 5142, 6177, 8236, 10284, 12354, 24708, 24853, 49706, 60847, 74559, 99412, 121694, 149118, 182541, 243388, 298236, 365082, 730164, 1764563, 3529126, 5293689, 7058252, 10587378, 21174756]

約数ペア:

[(1, 21174756), (2, 10587378), (3, 7058252), (4, 5293689), (6, 3529126), (12, 1764563), (29, 730164), (58, 365082), (71, 298236), (87, 243388), (116, 182541), (142, 149118), (174, 121694), (213, 99412), (284, 74559), (348, 60847), (426, 49706), (852, 24853), (857, 24708), (1714, 12354), (2059, 10284), (2571, 8236), (3428, 6177), (4118, 5142)]