21198254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18718546

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 179, 358, 769, 1253, 1538, 1969, 2506, 3938, 5383, 8459, 10766, 13783, 16918, 27566, 59213, 118426, 137651, 275302, 963557, 1514161, 1927114, 3028322, 10599127, 21198254]

約数ペア:

[(1, 21198254), (2, 10599127), (7, 3028322), (11, 1927114), (14, 1514161), (22, 963557), (77, 275302), (154, 137651), (179, 118426), (358, 59213), (769, 27566), (1253, 16918), (1538, 13783), (1969, 10766), (2506, 8459), (3938, 5383)]