21907119

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4423}}^1$

素因数の和:4566

約数の個数: 16

約数和(自身を含む): 31711232

約数和(自身を除く): 9804113

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4423, 4953, 13269, 57499, 172497, 561721, 1685163, 7302373, 21907119]

約数ペア:

[(1, 21907119), (3, 7302373), (13, 1685163), (39, 561721), (127, 172497), (381, 57499), (1651, 13269), (4423, 4953)]