21766556

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 46147584

約数和(自身を除く): 24381028

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 73, 92, 146, 161, 292, 322, 463, 511, 644, 926, 1022, 1679, 1852, 2044, 3241, 3358, 6482, 6716, 10649, 11753, 12964, 21298, 23506, 33799, 42596, 47012, 67598, 74543, 135196, 149086, 236593, 298172, 473186, 777377, 946372, 1554754, 3109508, 5441639, 10883278, 21766556]

約数ペア:

[(1, 21766556), (2, 10883278), (4, 5441639), (7, 3109508), (14, 1554754), (23, 946372), (28, 777377), (46, 473186), (73, 298172), (92, 236593), (146, 149086), (161, 135196), (292, 74543), (322, 67598), (463, 47012), (511, 42596), (644, 33799), (926, 23506), (1022, 21298), (1679, 12964), (1852, 11753), (2044, 10649), (3241, 6716), (3358, 6482)]