21621684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257401}}^1$

素因数の和:257415

約数の個数: 24

約数和(自身を含む): 57658048

約数和(自身を除く): 36036364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257401, 514802, 772203, 1029604, 1544406, 1801807, 3088812, 3603614, 5405421, 7207228, 10810842, 21621684]

約数ペア:

[(1, 21621684), (2, 10810842), (3, 7207228), (4, 5405421), (6, 3603614), (7, 3088812), (12, 1801807), (14, 1544406), (21, 1029604), (28, 772203), (42, 514802), (84, 257401)]