21504133

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1151}}^1$

素因数の和:1332

約数の個数: 16

約数和(自身を含む): 26210304

約数和(自身を除く): 4706171

約数列:

[1, 7, 17, 119, 157, 1099, 1151, 2669, 8057, 18683, 19567, 136969, 180707, 1264949, 3072019, 21504133]

約数ペア:

[(1, 21504133), (7, 3072019), (17, 1264949), (119, 180707), (157, 136969), (1099, 19567), (1151, 18683), (2669, 8057)]