21163842

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{6221}}^1$

素因数の和:6245

約数の個数: 48

約数和(自身を含む): 54355392

約数和(自身を除く): 33191550

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 1134, 1701, 3402, 6221, 12442, 18663, 37326, 43547, 55989, 87094, 111978, 130641, 167967, 261282, 335934, 391923, 503901, 783846, 1007802, 1175769, 1511703, 2351538, 3023406, 3527307, 7054614, 10581921, 21163842]

約数ペア:

[(1, 21163842), (2, 10581921), (3, 7054614), (6, 3527307), (7, 3023406), (9, 2351538), (14, 1511703), (18, 1175769), (21, 1007802), (27, 783846), (42, 503901), (54, 391923), (63, 335934), (81, 261282), (126, 167967), (162, 130641), (189, 111978), (243, 87094), (378, 55989), (486, 43547), (567, 37326), (1134, 18663), (1701, 12442), (3402, 6221)]