21728156725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{484733}}^1$

素因数の和:484917

約数の個数: 24

約数和(自身を含む): 29572651872

約数和(自身を除く): 7844495147

約数列:

[1, 5, 11, 25, 55, 163, 275, 815, 1793, 4075, 8965, 44825, 484733, 2423665, 5332063, 12118325, 26660315, 79011479, 133301575, 395057395, 869126269, 1975286975, 4345631345, 21728156725]

約数ペア:

[(1, 21728156725), (5, 4345631345), (11, 1975286975), (25, 869126269), (55, 395057395), (163, 133301575), (275, 79011479), (815, 26660315), (1793, 12118325), (4075, 5332063), (8965, 2423665), (44825, 484733)]