21352842

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{56489}}^1$

素因数の和:56507

約数の個数: 32

約数和(自身を含む): 54230400

約数和(自身を除く): 32877558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 56489, 112978, 169467, 338934, 395423, 508401, 790846, 1016802, 1186269, 1525203, 2372538, 3050406, 3558807, 7117614, 10676421, 21352842]

約数ペア:

[(1, 21352842), (2, 10676421), (3, 7117614), (6, 3558807), (7, 3050406), (9, 2372538), (14, 1525203), (18, 1186269), (21, 1016802), (27, 790846), (42, 508401), (54, 395423), (63, 338934), (126, 169467), (189, 112978), (378, 56489)]