21764823

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1409}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 30681600

約数和(自身を除く): 8916777

約数列:

[1, 3, 19, 57, 271, 813, 1409, 4227, 5149, 15447, 26771, 80313, 381839, 1145517, 7254941, 21764823]

約数ペア:

[(1, 21764823), (3, 7254941), (19, 1145517), (57, 381839), (271, 80313), (813, 26771), (1409, 15447), (4227, 5149)]