21192119

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:386

約数の個数: 16

約数和(自身を含む): 23446752

約数和(自身を除く): 2254633

約数列:

[1, 13, 73, 137, 163, 949, 1781, 2119, 10001, 11899, 22331, 130013, 154687, 290303, 1630163, 21192119]

約数ペア:

[(1, 21192119), (13, 1630163), (73, 290303), (137, 154687), (163, 130013), (949, 22331), (1781, 11899), (2119, 10001)]