2021019

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 3623424

約数和(自身を除く): 1602405

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 673, 1001, 2019, 3003, 4711, 7403, 8749, 14133, 22209, 26247, 51821, 61243, 96239, 155463, 183729, 288717, 673673, 2021019]

約数ペア:

[(1, 2021019), (3, 673673), (7, 288717), (11, 183729), (13, 155463), (21, 96239), (33, 61243), (39, 51821), (77, 26247), (91, 22209), (143, 14133), (231, 8749), (273, 7403), (429, 4711), (673, 3003), (1001, 2019)]