21233841

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 28968000

約数和(自身を除く): 7734159

約数列:

[1, 3, 67, 149, 201, 447, 709, 2127, 9983, 29949, 47503, 105641, 142509, 316923, 7077947, 21233841]

約数ペア:

[(1, 21233841), (3, 7077947), (67, 316923), (149, 142509), (201, 105641), (447, 47503), (709, 29949), (2127, 9983)]