21548418

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^4\times {\mathrm{43}}^1$

素因数の和:116

約数の個数: 40

約数和(自身を含む): 46855248

約数和(自身を除く): 25306830

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 289, 578, 731, 867, 1462, 1734, 2193, 4386, 4913, 9826, 12427, 14739, 24854, 29478, 37281, 74562, 83521, 167042, 211259, 250563, 422518, 501126, 633777, 1267554, 3591403, 7182806, 10774209, 21548418]

約数ペア:

[(1, 21548418), (2, 10774209), (3, 7182806), (6, 3591403), (17, 1267554), (34, 633777), (43, 501126), (51, 422518), (86, 250563), (102, 211259), (129, 167042), (258, 83521), (289, 74562), (578, 37281), (731, 29478), (867, 24854), (1462, 14739), (1734, 12427), (2193, 9826), (4386, 4913)]