21861950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39749}}^1$

素因数の和:39772

約数の個数: 24

約数和(自身を含む): 44361000

約数和(自身を除く): 22499050

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39749, 79498, 198745, 397490, 437239, 874478, 993725, 1987450, 2186195, 4372390, 10930975, 21861950]

約数ペア:

[(1, 21861950), (2, 10930975), (5, 4372390), (10, 2186195), (11, 1987450), (22, 993725), (25, 874478), (50, 437239), (55, 397490), (110, 198745), (275, 79498), (550, 39749)]