21728628

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10589}}^1$

素因数の和:10621

約数の個数: 48

約数和(自身を含む): 59304000

約数和(自身を除く): 37575372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10589, 21178, 31767, 42356, 63534, 95301, 127068, 190602, 201191, 285903, 381204, 402382, 571806, 603573, 804764, 1143612, 1207146, 1810719, 2414292, 3621438, 5432157, 7242876, 10864314, 21728628]

約数ペア:

[(1, 21728628), (2, 10864314), (3, 7242876), (4, 5432157), (6, 3621438), (9, 2414292), (12, 1810719), (18, 1207146), (19, 1143612), (27, 804764), (36, 603573), (38, 571806), (54, 402382), (57, 381204), (76, 285903), (108, 201191), (114, 190602), (171, 127068), (228, 95301), (342, 63534), (513, 42356), (684, 31767), (1026, 21178), (2052, 10589)]