2021427499

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1169131}}^1$

素因数の和:1169170

約数の個数: 16

約数和(自身を含む): 2618855680

約数和(自身を除く): 597428181

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 1169131, 8183917, 15198703, 22213489, 106390921, 155494423, 288775357, 2021427499]

約数ペア:

[(1, 2021427499), (7, 288775357), (13, 155494423), (19, 106390921), (91, 22213489), (133, 15198703), (247, 8183917), (1729, 1169131)]