21094916481

素因数分解:

$3^3\times {\mathrm{307}}^1\times {\mathrm{2544929}}^1$

素因数の和:2545245

約数の個数: 16

約数和(自身を含む): 31353537600

約数和(自身を除く): 10258621119

約数列:

[1, 3, 9, 27, 307, 921, 2763, 8289, 2544929, 7634787, 22904361, 68713083, 781293203, 2343879609, 7031638827, 21094916481]

約数ペア:

[(1, 21094916481), (3, 7031638827), (9, 2343879609), (27, 781293203), (307, 68713083), (921, 22904361), (2763, 7634787), (8289, 2544929)]