21545373

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1979}}^1$

素因数の和:2192

約数の個数: 16

約数和(自身を含む): 30412800

約数和(自身を除く): 8867427

約数列:

[1, 3, 19, 57, 191, 573, 1979, 3629, 5937, 10887, 37601, 112803, 377989, 1133967, 7181791, 21545373]

約数ペア:

[(1, 21545373), (3, 7181791), (19, 1133967), (57, 377989), (191, 112803), (573, 37601), (1979, 10887), (3629, 5937)]