21357252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84751}}^1$

素因数の和:84768

約数の個数: 36

約数和(自身を含む): 61699456

約数和(自身を除く): 40342204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84751, 169502, 254253, 339004, 508506, 593257, 762759, 1017012, 1186514, 1525518, 1779771, 2373028, 3051036, 3559542, 5339313, 7119084, 10678626, 21357252]

約数ペア:

[(1, 21357252), (2, 10678626), (3, 7119084), (4, 5339313), (6, 3559542), (7, 3051036), (9, 2373028), (12, 1779771), (14, 1525518), (18, 1186514), (21, 1017012), (28, 762759), (36, 593257), (42, 508506), (63, 339004), (84, 254253), (126, 169502), (252, 84751)]