21706258

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 38404224

約数和(自身を除く): 16697966

約数列:

[1, 2, 7, 14, 67, 73, 134, 146, 317, 469, 511, 634, 938, 1022, 2219, 4438, 4891, 9782, 21239, 23141, 34237, 42478, 46282, 68474, 148673, 161987, 297346, 323974, 1550447, 3100894, 10853129, 21706258]

約数ペア:

[(1, 21706258), (2, 10853129), (7, 3100894), (14, 1550447), (67, 323974), (73, 297346), (134, 161987), (146, 148673), (317, 68474), (469, 46282), (511, 42478), (634, 34237), (938, 23141), (1022, 21239), (2219, 9782), (4438, 4891)]