21501159

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{983}}^1$

素因数の和:1326

約数の個数: 16

約数和(自身を含む): 30039552

約数和(自身を除く): 8538393

約数列:

[1, 3, 23, 69, 317, 951, 983, 2949, 7291, 21873, 22609, 67827, 311611, 934833, 7167053, 21501159]

約数ペア:

[(1, 21501159), (3, 7167053), (23, 934833), (69, 311611), (317, 67827), (951, 22609), (983, 21873), (2949, 7291)]