21124077

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14639}}^1$

素因数の和:14692

約数の個数: 16

約数和(自身を含む): 31153920

約数和(自身を除く): 10029843

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14639, 43917, 190307, 541643, 570921, 1624929, 7041359, 21124077]

約数ペア:

[(1, 21124077), (3, 7041359), (13, 1624929), (37, 570921), (39, 541643), (111, 190307), (481, 43917), (1443, 14639)]