21540662

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 39414816

約数和(自身を除く): 17874154

約数列:

[1, 2, 11, 13, 22, 26, 41, 82, 121, 143, 167, 242, 286, 334, 451, 533, 902, 1066, 1573, 1837, 2171, 3146, 3674, 4342, 4961, 5863, 6847, 9922, 11726, 13694, 20207, 23881, 40414, 47762, 64493, 75317, 89011, 128986, 150634, 178022, 262691, 525382, 828487, 979121, 1656974, 1958242, 10770331, 21540662]

約数ペア:

[(1, 21540662), (2, 10770331), (11, 1958242), (13, 1656974), (22, 979121), (26, 828487), (41, 525382), (82, 262691), (121, 178022), (143, 150634), (167, 128986), (242, 89011), (286, 75317), (334, 64493), (451, 47762), (533, 40414), (902, 23881), (1066, 20207), (1573, 13694), (1837, 11726), (2171, 9922), (3146, 6847), (3674, 5863), (4342, 4961)]