21413821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{11519}}^1$

素因数の和:11556

約数の個数: 12

約数和(自身を含む): 25297920

約数和(自身を除く): 3884099

約数列:

[1, 11, 13, 143, 169, 1859, 11519, 126709, 149747, 1647217, 1946711, 21413821]

約数ペア:

[(1, 21413821), (11, 1946711), (13, 1647217), (143, 149747), (169, 126709), (1859, 11519)]