21879814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 37158912

約数和(自身を除く): 15279098

約数列:

[1, 2, 11, 22, 41, 82, 127, 191, 254, 382, 451, 902, 1397, 2101, 2794, 4202, 5207, 7831, 10414, 15662, 24257, 48514, 57277, 86141, 114554, 172282, 266827, 533654, 994537, 1989074, 10939907, 21879814]

約数ペア:

[(1, 21879814), (2, 10939907), (11, 1989074), (22, 994537), (41, 533654), (82, 266827), (127, 172282), (191, 114554), (254, 86141), (382, 57277), (451, 48514), (902, 24257), (1397, 15662), (2101, 10414), (2794, 7831), (4202, 5207)]