21661998

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{156971}}^1$

素因数の和:156999

約数の個数: 16

約数和(自身を含む): 45207936

約数和(自身を除く): 23545938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 156971, 313942, 470913, 941826, 3610333, 7220666, 10830999, 21661998]

約数ペア:

[(1, 21661998), (2, 10830999), (3, 7220666), (6, 3610333), (23, 941826), (46, 470913), (69, 313942), (138, 156971)]