21072898

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{709}}^1$

素因数の和:922

約数の個数: 32

約数和(自身を含む): 39669120

約数和(自身を除く): 18596222

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 193, 386, 709, 1351, 1418, 2123, 2702, 4246, 4963, 7799, 9926, 14861, 15598, 29722, 54593, 109186, 136837, 273674, 957859, 1505207, 1915718, 3010414, 10536449, 21072898]

約数ペア:

[(1, 21072898), (2, 10536449), (7, 3010414), (11, 1915718), (14, 1505207), (22, 957859), (77, 273674), (154, 136837), (193, 109186), (386, 54593), (709, 29722), (1351, 15598), (1418, 14861), (2123, 9926), (2702, 7799), (4246, 4963)]