21000391687

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8117}}^1\times {\mathrm{12379}}^1$

素因数の和:20526

約数の個数: 16

約数和(自身を含む): 24120201600

約数和(自身を除く): 3119809913

約数列:

[1, 11, 19, 209, 8117, 12379, 89287, 136169, 154223, 235201, 1696453, 2587211, 100480343, 1105283773, 1909126517, 21000391687]

約数ペア:

[(1, 21000391687), (11, 1909126517), (19, 1105283773), (209, 100480343), (8117, 2587211), (12379, 1696453), (89287, 235201), (136169, 154223)]