21083373

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 31450848

約数和(自身を除く): 10367475

約数列:

[1, 3, 9, 43, 129, 157, 347, 387, 471, 1041, 1413, 3123, 6751, 14921, 20253, 44763, 54479, 60759, 134289, 163437, 490311, 2342597, 7027791, 21083373]

約数ペア:

[(1, 21083373), (3, 7027791), (9, 2342597), (43, 490311), (129, 163437), (157, 134289), (347, 60759), (387, 54479), (471, 44763), (1041, 20253), (1413, 14921), (3123, 6751)]