21869982

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8741}}^1$

素因数の和:8888

約数の個数: 24

約数和(自身を含む): 47731320

約数和(自身を除く): 25861338

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8741, 17482, 26223, 52446, 78669, 157338, 1214999, 2429998, 3644997, 7289994, 10934991, 21869982]

約数ペア:

[(1, 21869982), (2, 10934991), (3, 7289994), (6, 3644997), (9, 2429998), (18, 1214999), (139, 157338), (278, 78669), (417, 52446), (834, 26223), (1251, 17482), (2502, 8741)]