21402568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{2273}}^1$

素因数の和:2397

約数の個数: 32

約数和(自身を含む): 44206560

約数和(自身を除く): 22803992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 2273, 2354, 4546, 4708, 9092, 9416, 18184, 25003, 50006, 100012, 200024, 243211, 486422, 972844, 1945688, 2675321, 5350642, 10701284, 21402568]

約数ペア:

[(1, 21402568), (2, 10701284), (4, 5350642), (8, 2675321), (11, 1945688), (22, 972844), (44, 486422), (88, 243211), (107, 200024), (214, 100012), (428, 50006), (856, 25003), (1177, 18184), (2273, 9416), (2354, 9092), (4546, 4708)]