21109796

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{181981}}^1$

素因数の和:182014

約数の個数: 12

約数和(自身を含む): 38216220

約数和(自身を除く): 17106424

約数列:

[1, 2, 4, 29, 58, 116, 181981, 363962, 727924, 5277449, 10554898, 21109796]

約数ペア:

[(1, 21109796), (2, 10554898), (4, 5277449), (29, 727924), (58, 363962), (116, 181981)]