21083331

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1753}}^1$

素因数の和:1986

約数の個数: 16

約数和(自身を含む): 29747840

約数和(自身を除く): 8664509

約数列:

[1, 3, 19, 57, 211, 633, 1753, 4009, 5259, 12027, 33307, 99921, 369883, 1109649, 7027777, 21083331]

約数ペア:

[(1, 21083331), (3, 7027777), (19, 1109649), (57, 369883), (211, 99921), (633, 33307), (1753, 12027), (4009, 5259)]