21355956

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{16033}}^1$

素因数の和:16080

約数の個数: 36

約数和(自身を含む): 55445572

約数和(自身を除く): 34089616

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 16033, 32066, 48099, 64132, 96198, 144297, 192396, 288594, 577188, 593221, 1186442, 1779663, 2372884, 3559326, 5338989, 7118652, 10677978, 21355956]

約数ペア:

[(1, 21355956), (2, 10677978), (3, 7118652), (4, 5338989), (6, 3559326), (9, 2372884), (12, 1779663), (18, 1186442), (36, 593221), (37, 577188), (74, 288594), (111, 192396), (148, 144297), (222, 96198), (333, 64132), (444, 48099), (666, 32066), (1332, 16033)]