21660190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{114001}}^1$

素因数の和:114027

約数の個数: 16

約数和(自身を含む): 41040720

約数和(自身を除く): 19380530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 114001, 228002, 570005, 1140010, 2166019, 4332038, 10830095, 21660190]

約数ペア:

[(1, 21660190), (2, 10830095), (5, 4332038), (10, 2166019), (19, 1140010), (38, 570005), (95, 228002), (190, 114001)]