21045242

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{739}}^1$

素因数の和:1261

約数の個数: 16

約数和(自身を含む): 32767200

約数和(自身を除く): 11721958

約数列:

[1, 2, 29, 58, 491, 739, 982, 1478, 14239, 21431, 28478, 42862, 362849, 725698, 10522621, 21045242]

約数ペア:

[(1, 21045242), (2, 10522621), (29, 725698), (58, 362849), (491, 42862), (739, 28478), (982, 21431), (1478, 14239)]