21952575

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2269}}^1$

素因数の和:2328

約数の個数: 36

約数和(自身を含む): 40251640

約数和(自身を除く): 18299065

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 2269, 3225, 6807, 9675, 11345, 20421, 34035, 56725, 97567, 102105, 170175, 292701, 487835, 510525, 878103, 1463505, 2439175, 4390515, 7317525, 21952575]

約数ペア:

[(1, 21952575), (3, 7317525), (5, 4390515), (9, 2439175), (15, 1463505), (25, 878103), (43, 510525), (45, 487835), (75, 292701), (129, 170175), (215, 102105), (225, 97567), (387, 56725), (645, 34035), (1075, 20421), (1935, 11345), (2269, 9675), (3225, 6807)]