21880514

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1\times {\mathrm{971}}^1$

素因数の和:1585

約数の個数: 16

約数和(自身を含む): 34642080

約数和(自身を除く): 12761566

約数列:

[1, 2, 19, 38, 593, 971, 1186, 1942, 11267, 18449, 22534, 36898, 575803, 1151606, 10940257, 21880514]

約数ペア:

[(1, 21880514), (2, 10940257), (19, 1151606), (38, 575803), (593, 36898), (971, 22534), (1186, 18449), (1942, 11267)]