21136483188

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3601991}}^1$

素因数の和:3602164

約数の個数: 36

約数和(自身を含む): 53756128608

約数和(自身を除く): 32619645420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 5868, 3601991, 7203982, 10805973, 14407964, 21611946, 32417919, 43223892, 64835838, 129671676, 587124533, 1174249066, 1761373599, 2348498132, 3522747198, 5284120797, 7045494396, 10568241594, 21136483188]

約数ペア:

[(1, 21136483188), (2, 10568241594), (3, 7045494396), (4, 5284120797), (6, 3522747198), (9, 2348498132), (12, 1761373599), (18, 1174249066), (36, 587124533), (163, 129671676), (326, 64835838), (489, 43223892), (652, 32417919), (978, 21611946), (1467, 14407964), (1956, 10805973), (2934, 7203982), (5868, 3601991)]