21427084

素因数分解:

$2^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1399}}^1$

素因数の和:1957

約数の個数: 24

約数和(自身を含む): 42963200

約数和(自身を除く): 21536116

約数列:

[1, 2, 4, 7, 14, 28, 547, 1094, 1399, 2188, 2798, 3829, 5596, 7658, 9793, 15316, 19586, 39172, 765253, 1530506, 3061012, 5356771, 10713542, 21427084]

約数ペア:

[(1, 21427084), (2, 10713542), (4, 5356771), (7, 3061012), (14, 1530506), (28, 765253), (547, 39172), (1094, 19586), (1399, 15316), (2188, 9793), (2798, 7658), (3829, 5596)]