21791803

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:978

約数の個数: 16

約数和(自身を含む): 25251840

約数和(自身を除く): 3460037

約数列:

[1, 11, 19, 127, 209, 821, 1397, 2413, 9031, 15599, 26543, 104267, 171589, 1146937, 1981073, 21791803]

約数ペア:

[(1, 21791803), (11, 1981073), (19, 1146937), (127, 171589), (209, 104267), (821, 26543), (1397, 15599), (2413, 9031)]